| Evonik Roehm GmbH Patent applications |
| Patent application number | Title | Published |
|---|
| 20120114890 | POLYPHENYLSULPHONE-POLYTETRAFLUOROETHYLENE COMPOSITIONS AND USE THEREOF - The invention relates to a method for producing plastic molded bodies, characterised in that the two plastic materials PPSU and PTFE are mixed with one another at a temperature of 340 degrees Celsius to 385 degrees Celsius in an extruder, the resulting compound is granulated and the granules are extruded into plastic molded bodies at a screw temperature of 370 degrees Celsius to 390 degrees Celsius. The plastic molded bodies obtained are used as anti-wear tapes in oil delivery pipes. | 05-10-2012 |
| 20120108735 | PROCESS AND SYSTEM FOR COLOURING PLASTICS MOULDING COMPOSITIONS - The present invention relates to a process for producing coloured plastics moulding compositions with aqueous liquid colours, where an aqueous liquid colour is added to a molten plastics moulding composition. | 05-03-2012 |
| 20120107493 | BINDING AGENT FOR PRODUCING ROAD MARKINGS READY QUICKLY FOR TRAFFIC - The present invention comprises a novel formulation for marking travel lanes, such as roads, which following the application can be reopened for traffic after a waiting period that is shortened as compared to the prior art. | 05-03-2012 |
| 20120093926 | GASTRIC RESISTANT PHARMACEUTICAL OR NUTRACEUTICAL FORMULATION COMPRISING ONE OR MORE SALTS OF ALGINIC ACID - The invention relates to a gastric resistant pharmaceutical or nutraceutical composition, comprising a core, comprising a pharmaceutical or nutraceutical active ingredient and a gastric resistant coating layer onto the core, wherein the release of the pharmaceutical or nutraceutical active ingredient is not more than 15% under in-vitro conditions at pH 1.2 for 2 hours in medium according to USP with and without the addition of 40% (v/v) ethanol, wherein the gastric resistant coating layer comprises 10 to 100% by weight of one or more salts of alginic acid with a viscosity of 30 to 720 cP of a 1% aqueous solution | 04-19-2012 |
| 20120093904 | COMPOSITION COMPRISING AN ANIONIC POLYMERIC MATERIAL AND THE SALT OF A SATURATED MONOCARBOXYLIC ACID HAVING 6 TO 22 CARBON ATOMS - The invention relates to a coating composition for the coating or binding of pharmaceutically, nutraceutically or cosmetically active ingredients, comprising (a) an anionic polymeric material, and (b) one or more salts of saturated monocarboxylic acids having 6 to 22 carbon atoms, characterized in that the amount of the salts of the monocarboxylic acids in the composition corresponds to 3 to 50 mol percent of the amount of anionic groups in the polymeric material. The invention also relates to a process for preparing a dispersion out of the composition, as well as the use of said composition in enteric-coated solid dosage forms. | 04-19-2012 |
| 20120093903 | POWDERY OR GRANULATED COMPOSITION COMPRISING A COPOLYMER, A SALT OF A FATTY MONOCARBOXYLIC ACID AND A FATTY MONOCARBOXYLIC ACID AND/OR A FATTY ALCOHOL - The invention relates to a powdery or granulated composition comprising at least by 30% by weight of a mixture of (a) a copolymer composed of polymerized units of C | 04-19-2012 |
| 20120087977 | AQUEOUS CARBONATED MEDIUM CONTAINING AN AMINO(METH)ACRYLATE POLYMER OR COPOLYMER - The invention relates to an aqueous medium containing an amino(meth)acrylate polymer or copolymer which is not soluble in demineralised water, characterized in that the medium has a content of an aqueous phase of at least 60% by weight and a content of up to 40% by weight of solids comprising the amino(meth)acrylate polymer or copolymer, whereby the aqueous phase is charged by a sufficient amount of carbon dioxide that effects the amino(meth)acrylate polymer or copolymer to be present in solute form in the medium. The aqueous medium may be used beneficially as a coating or binding solution for the spray coating or binding of pharmaceutical compositions or nutraceutical compositions or cosmetical compositions. | 04-12-2012 |
| 20120085980 | Process for preparing a photochromic polymeric composition, thus obtained polymeric composition and use thereof - The present invention discloses a process for preparing a photochromic polymeric composition, characterized in that the photochromic polymeric composition is prepared by comprising (meth)acrylamide compound in the reaction mixture useful for the preparation of the photochromic polymeric composition. The present invention also relates to the thus obtained polymeric composition, photochromic articles made from said polymeric composition, and use of said polymeric composition for preparing photochromic articles. The photochromic polymeric composition according to the present invention makes the absorption peak of the photochromic dye therein become longer, thus exhibiting a desired grey with a bit bluish green or grey with a bit blue. | 04-12-2012 |
| 20120071565 | POWDERY OR GRANULATED COMPOSITION COMPRISING A COPOLYMER, A DICARBOXYLIC ACID AND A FATTY MONOCARBOXYLIC ACID - A powdery or granulated composition, containing: (a) a copolymer containing, in polymerized form, a C | 03-22-2012 |
| 20120067512 | LIGHT GUIDE PLATE HAVING EMBEDDED IMPURITIES AND METHOD FOR THE PRODUCTION THEREOF - The invention relates to light guide plates, which are suitable for backlighting LCD monitors as well as information and advertising signs and which are illuminated at the edges and re-emit the light fed at the edges via at least one of the two surfaces located perpendicular to the edges. For the light of a light source that is fed at the edges to be able to leave the light guide plate again via one of the surfaces by overcoming total reflection, the light rays in the light guide plate have to be deliberately deflected. At one of the two surfaces of the light guide plate, the light guide plates are provided with optical impurities ( | 03-22-2012 |
| 20120065322 | (METH)ACRYLATE POLYMER, COATING AGENT, METHOD FOR PRODUCING A COATING, AND COATED OBJECT - The present invention relates to a (meth)acrylate polymer for preparing a coating composition, where the (meth)acrylate polymer has a weight-average molecular weight in the range from 10 000 to 60 000 g/mol and the (meth)acrylate polymer comprises 0.5 to 40% by weight of units derived from (meth)acrylic monomers which in the alkyl radical have at least one double bond and 8 to 40 carbon atoms, 0.1 to 10% by weight of units derived from monomers containing acid groups, and 50 to 99.4% by weight of units derived from (meth)acrylates having 1 to 12 carbon atoms in the alkyl radical that have no double bonds or heteroatoms in the alkyl radical, and these (meth)acrylates having 1 to 12 carbon atoms in the alkyl radical are selected such that a polymer composed of these (meth)acrylates having 1 to 12 carbon atoms in the alkyl radical has a glass transition temperature of at least 40° C., based in each case on the weight of the (meth)acrylate polymer. | 03-15-2012 |
| 20120045506 | CONTROLLED RELEASE PHARMACEUTICAL COMPOSITION WITH RESISTANCE AGAINST THE INFLUENCE OF ETHANOL EMPLOYING A COATING COMPRISING NEUTRAL VINYL POLYMERS AND EXCIPIENTS - The invention relates to a controlled release pharmaceutical composition, comprising a core, comprising a pharmaceutical active ingredient, whereby the core is coated by an ethanol resistance conferring coating layer which has the effect of conferring the release profile of the pharmaceutical active ingredient to be resistant against the influence of ethanol, whereby the ethanol resistance conferring coating layer comprises at least 70% by weight of a mixture of a polymeric portion a) and an excipients portion b), with the polymeric portion a) is consisting of a water insoluble essentially neutral vinyl polymer or vinyl copolymer and the excipients portion b) is consisting of the excipients b1) 100 to 250% by weight of a non-porous inert lubricant, b2) 1 to 35% by weight of a cellulosic compound, b3) 0.1 to 25% by weight of an emulsifier and additionally or alternatively to b3), b4) 0.1 to 30% by weight of a plasticizer whereby the excipients of the excipients portion b) are each calculated on the dry weight of the polymer portion a). | 02-23-2012 |
| 20120021236 | TRANSPARENT, WEATHERING-RESISTANT BARRIER FOIL, PRODUCTION THEREOF BY MEANS OF LAMINATION, EXTRUSION LAMINATION OR EXTRUSION COATING - The invention relates to a barrier foil, wherein a barrier composite ( | 01-26-2012 |
| 20120016071 | POLYFUNCTIONAL (METH)ACRYLIC POLYMER, COATING COMPOSITION, PROCESS FOR PRODUCING A COATING AND COATED ARTICLE - The present invention relates to a (meth)acrylate polymer for preparing a coating composition, where the (meth)acrylate polymer comprises
| 01-19-2012 |
| 20120015141 | MOULDING COMPOUND FOR MOULDINGS WITH HIGH WEATHER RESISTANCE - A moulding compound comprises a copolymer (I)a), produced by polymerisation of 90-100% by weight methylmethacrylate, styrene and malic acid anhydride, and optionally 0-10% by weight additional monomers which can be copolymerised with methylmethacrylate, a (co)polymer (II)b), produced by polymerisation of 80-100% by weight methylmethacrylate and optionally 0-20% by weight additional monomers which can be copolymerised with methylmethacrylate, and has a solution viscosity in chloroform at 25° C. (ISO 1628 Part 6) of 50 to 55 ml/g, as well as c) optional conventional additives, auxiliary agents and/or fillers. The moulding compound is characterised in that the copolymer (I) has a solution viscosity in chloroform at 25° C. (ISO 1628 Part) of 55 ml/g or less. Also disclosed are mouldings produced by thermoplastic processing of the moulding compound and their uses. | 01-19-2012 |
| 20120010430 | METERING RING - The present invention relates to an apparatus for metering flowable media or gases, and to the use thereof. | 01-12-2012 |
| 20120010317 | (METH)ACRYLATE POLYMERS AND THE USE THEREOF AS POLYMER-BOUND UV INITIATORS OR ADDITIVE TO UV-CURABLE RESINS - The invention relates to a
| 01-12-2012 |
| 20120004460 | METHOD FOR PRODUCING METHACRYLIC ACID - The present invention relates to a method for producing methacrylic acid by reacting methacrylamide with water, wherein said reaction is performed continuously in a tube reactor and a pressure differential exists in the flow direction of the reaction mixture inside said tube reactor. Furthermore, the present invention discloses a facility for carrying out the method according to the invention. | 01-05-2012 |
| 20110319514 | COMPOSITION COMPRISING AS THE AQUEOUS DISPERSION PREFERABLY (METH)ACRYLATE POLYMERS CONTAINING BENZOPHENONE IN A MIXTURE WITH (METH)ACRYLATE POLYMERS DIFFERENT THEREFROM AND THE USE OF SAID COMPOSITION - The invention describes a composition comprising, in the form of aqueous dispersion, A) for every 100 parts by weight of a, or of a plurality of, (meth)acrylate polymer(s); B) from 1-400 parts by weight of a, or of a plurality of, (meth)acrylate polymer(s), which contain(s) a compound of the formula (I) copolymerized, where the (meth)acrylate polymer(s) B) differ from the (meth)acrylate polymers specified in A), where these are obtainable by emulsion polymerization of a mixture comprising
| 12-29-2011 |
| 20110318595 | COATING COMPOSITION, (METH)ACRYLIC POLYMER AND MONOMER MIXTURE FOR PRODUCING THE (METH)ACRYLIC POLYMER - The present invention relates to a coating composition comprising at least one photo-initiator and at least one (meth)acryl-polymer having units that are derived from (meth)acryl-monomers that have at least one double bond and 8 to 40 carbon atoms in the alkyl residue. The present invention furthermore relates to a monomer mixture comprising at least one (meth)acryl-monomer having at least one double bond and 8 to 40 carbon atoms in the alkyl residue and at least one photo-initiator monomer and a (meth)acryl-polymer that can be obtained by polymerization of said monomer mixture. The present invention furthermore relates to a method for producing a coating. The present invention furthermore relates to a coated object comprising a coating obtained by said method. | 12-29-2011 |
| 20110306784 | METHOD FOR PRODUCING A CARBOXYLIC ACID AMIDE FROM A CARBONYL COMPOUND AND HYDROCYANIC ACID - The invention relates to a method for producing a carboxylic acid amide from a carbonyl compound and hydrocyanic acid, comprising the steps of A) reacting a carbonyl compound with hydrocyanic acid to produce a hydroxycarboxylic acid nitrile, B) hydrolysis of the hydroxycarboxylic acid nitrile obtained in step A) in the presence of a catalyst comprising manganese dioxide, wherein a molar excess of carbonyl compound is used in relation to the hydrocyanic acid to react the carbonyl compound with hydrocyanic acid according to step A), and the reaction mixture obtained in step A) is not purified by distillation before the hydrolysis according to step B) is carried out. The invention furthermore relates to a method for producing alkyl(meth)acrylates from polymers, moulding compounds and moulded bodies, wherein a method for producing a carboxylic acid amide from a carbonyl compound and hydrocyanic acid is carried out in accordance with the method described above. | 12-15-2011 |
| 20110306783 | COMPOSITION STABILIZED FOR PURIFICATION AND METHOD FOR PURIFYING AND FOR PRODUCING HYDROXYALKYL (METH)ACRYLATES - The present invention relates to a composition which comprises at least one hydroxyalkyl(meth)acrylate and has been stabilized for a purification, which comprises hydroquinone monomethyl ether and 4-hydroxy-2,2,6,6-tetramethylpiperidine N-oxyl. The present invention additionally describes processes for purifying and for preparing hydroxyalkyl(meth)acrylates. A further aspect of the present invention is a composition which is obtainable by the processes mentioned. | 12-15-2011 |
| 20110303277 | TRANSPARENT, WEATHERING-RESISTANT BARRIER FILM, PRODUCTION BY LAMINATION, EXTRUSION LAMINATION OR EXTRUSION COATING - The invention relates to a barrier film, in which a backing film ( | 12-15-2011 |
| 20110290300 | PRODUCTION OF SOLAR CELL MODULES - The invention relates to the use of a) at least one polyalkyl(meth)acrylate and b) at least one compound according to formula (I), where the groups R | 12-01-2011 |
| 20110288267 | Method and Device for Cleaning an Absorptive Polyester - In a method for cleaning an absorptive polyester, the polymer is dissolved in a first solvent ( | 11-24-2011 |
| 20110282007 | METHOD FOR PRODUCING ABA-TRIBLOCK COPOLYMERS WITH A WIDELY DISTRIBUTED B-BLOCK - The invention relates to a controlled polymerization method for producing ABA-triblock copolymers on the basis of (meth)acrylate with A-blocks having a narrow, monomodal molecular weight distribution, and a B-block having a wide, monomodal molecular weight distribution. The invention further relates to the use thereof as binders in glues or sealing compounds. | 11-17-2011 |
| 20110281999 | PROCESS FOR PREPARING AB DIBLOCK COPOLYMERS WITH A BROADLY DISTRIBUTED A BLOCK - The invention relates to a controlled polymerization process for preparing (meth)acrylate-based AB diblock copolymers with a B block which has a narrow monomodal molecular weight distribution, and an A block which has a broad monomodal molecular weight distribution, and to the use thereof, for example, as a binder in adhesives or sealants. | 11-17-2011 |
| 20110281054 | POLYOLEFIN GRAFT POLY(METH)ACRYLATE COPOLYMER-BASED PRIMING AGENT FOR POLYOLEFIN SURFACES - The invention relates to a novel halogen-free and acid-free, readily soluble priming bonding agent for polyolefins, said agent containing (meth)acrylate-grafted, amorphous polyolefins. | 11-17-2011 |
| 20110269913 | METHOD FOR PRODUCING TELECHELICS HAVING A WIDE MOLECULAR WEIGHT DISTRIBUTION - The invention relates to a controlled polymerization method for producing telechelics on the basis of (meth)acrylate, which have a wide, monomodal molecular weight distribution, and to the use thereof as binders in glues or sealing materials. | 11-03-2011 |
| 20110269883 | MOULDING COMPOUNDS FOR THE PRODUCTION OF SOLAR CELL MODULES - Moulding composition, encompassing
| 11-03-2011 |
| 20110263806 | COPOLYMER FOR PRODUCING MOLDED BODIES THAT ARE DIMENSIONALLY STABLE UNDER HEAT FROM MOLDING COMPOUNDS OR CAST GLASS - The invention relates to a copolymer for producing molded compounds or cast glass for the production of molded bodies having increased dimensional stability under heat, obtainable from the copolymerization of A) one or more ethylenically unsaturated ester compounds of the formula (I), where R | 10-27-2011 |
| 20110260125 | PROCESS FOR PREPARING A PHOTOCHROMIC POLYMERIC COMPOSITION, THUS OBTAINED POLYMERIC COMPOSITION AND USE THEREOF - The present invention discloses a process for preparing a photochromic polymeric composition, characterized in that the photochromic polymeric composition is prepared by comprising (meth) acrylamide compound in the reaction mixture useful for the preparation of the photochromic polymeric composition. The present invention also relates to the thus obtained polymeric composition, photochromic articles made from said polymeric composition, and use of said polymeric composition for preparing photochromic articles. The photochromic polymeric composition according to the present invention makes the absorption peak of the photochromic dye therein become longer, thus exhibiting a desired grey with a bit bluish green or grey with a bit blue. | 10-27-2011 |
| 20110229562 | PH-DEPENDENT CONTROLLED RELEASE PHARMACEUTICAL COMPOSITION FOR NON-OPIOIDS WITH RESISTANCE AGAINST THE INFLUENCE OF ETHANOL - The invention relates to a pH-dependent controlled release pharmaceutical composition, comprising at least one pharmaceutical active ingredient, with the exception of opioids, wherein the core is coated at least by one coating layer, controlling the release of the pharmaceutical composition, wherein the coating layer comprises a polymer mixture of i) 40-95% by weight, based on dry weight of the polymer mixture, of at least one water insoluble essentially neutral vinyl polymer or copolymer, and ii) 5-60% by weight, based on dry weight of the polymer mixture, of at least one anionic polymer or copolymer, which is insoluble in a buffered medium below pH 4.0 and soluble at least in the range from pH 7.0 to pH 8.0, characterized in that the coating layer further comprises 110 to 250% by weight of a non-porous inert lubricant, 1 to 35% by weight of at least one neutral cellulosic compound and 1 to 25% by weight of at least one emulsifier, each calculated on dry weight of the polymer mixture. | 09-22-2011 |
| 20110218312 | METHOD FOR PRODUCING N-ISOPROPYL(METH)ACRYLAMIDE - A novel process is described which allows N-isopropyl(meth)acrylamide to be obtained in high purity and yield in a simple manner, by reacting methacrylic anhydride with isopropylamine, optionally in a solvent. | 09-08-2011 |
| 20110218291 | PROCESS FOR PREPARING AQUEOUS DISPERSIONS - The present invention relates to a process for preparing aqueous dispersions. The invention also relates to the formation of core-shell particles in aqueous dispersions. The core-shell particles are useful as impact-modifiers for poly(meth)acrylate moulding compositions. | 09-08-2011 |
| 20110213091 | METHOD FOR PRODUCING TELECHELICS HAVING A BIMODAL MOLECULAR WEIGHT DISTRIBUTION - The invention relates to a controlled polymerization method for producing telechelics on the basis of (meth)acrylate, which have a bimodal molecular weight distribution, and to the use thereof as binders in glues or sealing compounds. | 09-01-2011 |
| 20110207876 | METHOD FOR PRODUCING ABA-TRIBLOCK COPOLYMERS WITH A BIMODAL B-BLOCK - The invention relates to a controlled polymerization method for producing ABA-triblock copolymers on the basis of (meth)acrylate with A-blocks which have a narrow, monomodal molecular weight distribution and a B-block which has a bimodal molecular weight distribution, and to the use thereof as binders in glues and sealing materials | 08-25-2011 |
| 20110196169 | METHOD FOR PRODUCING METHACRYLATED BENZOPHENONES - The invention relates to a method for producing methacrylated benzophenones and to the uses thereof. | 08-11-2011 |
| 20110189742 | METHOD FOR THE PRODUCTION OF FREE CARBOXYLIC ACIDS - A process for the preparation of free carboxylic acids including: A) preparation of carboxylic acid by a biological cell located in an aqueous medium with addition of an amine of formula (I) | 08-04-2011 |
| 20110188336 | DRIVE ARRANGEMENT IN A DEGASSING EXTRUDER - The invention relates to a vented extruder ( | 08-04-2011 |
| 20110171702 | RECOMBINANT CELL PRODUCING 2-HYDROXYISOBUTYRIC ACID - The invention relates to a cell which has been genetically modified so as to be capable of producing more 2-hydroxyisobutyric acid or more polyhydroxyalkanoates containing 2-hydroxyisobutyric acid monomer units than its wild type, characterized in that 2-hydroxyisobutyric acid or polyhydroxyalkanoates containing 2-hydroxyisobutyric acid monomer units are produced via acetoacetyl-coenzyme A as intermediate and 3-hydroxybutyryl-coenzyme A as precursor. | 07-14-2011 |
| 20110171101 | REACTOR FOR PREPARING HYDROGEN CYANIDE BY THE ANDRUSSOW PROCESS - The present invention relates to a reactor ( | 07-14-2011 |
| 20110165640 | METHOD FOR THE ENZYMATIC PRODUCTION OF 2-HYDROXY-2-METHYL CARBOXYLIC ACIDS - Provided is a composition containing: an isolated and purified polypeptide containing the amino acid sequence of SEQ ID NO: 4; and/or a heterodimeric enzyme containing: the isolated and purified polypeptide containing the amino acid sequence of SEQ ID NO: 4; and an isolated and purified polypeptide containing the amino acid sequence of SEQ ID NO: 2. Also provided is a process for producing a 2-hydroxy-2-methyl carboxylic acid or a salt or ester thereof, wherein the process involves: contacting a 3-hydroxy carboxylic acid or a salt or ester thereof with the above-mentioned composition to produce the 2-hydroxy-2-methyl carboxylic acid or the salt or ester thereof. | 07-07-2011 |
| 20110144267 | FUNCTIONALIZED (METH)ACRYLATE MONOMER, POLYMER, COATING AGENT, AND PRODUCTION AND CROSS-LINKING METHOD - The present invention relates to a (meth)acrylate monomer of the general formula (I) | 06-16-2011 |
| 20110136975 | MONOMER MIXTURE, POLYMER, COATING MEANS AND METHOD FOR PRODUCING A COATING - The present invention relates to a monomer mixture comprising
| 06-09-2011 |
| 20110136964 | COLORING PROCESS FOR POLY (METH) ACRYLATES WITH WATER-BASED LIQUID DYES AND WATER-BASED LIQUID DYES - The invention relates to an aqueous colorant preparation for coloring thermoplastic plastics. | 06-09-2011 |
| 20110130590 | METHOD FOR THE PRODUCTION OF (METH)ACRYLIC ESTERS - The present invention relates to a process for preparing (meth)acrylates, comprising the transesterification of a low-boiling ester of (meth)acrylic acid with a reactant alcohol in the presence of catalysts, which is characterized in that the transesterification is catalysed by a basic ion exchanger. | 06-02-2011 |
| 20110130509 | (METH)ACRYLATE MONOMER, POLYMER AND COATING AGENT - The present invention relates to a (meth)acrylate monomer of the general formula (I) | 06-02-2011 |
| 20110118504 | THERMAL SALT SPLITTING OF AMMONIUM CARBOXYLATES - The present invention relates to a process for preparing hydroxycarboxylic acids, preferably α- and β-hydroxycarboxylic acids, from ammonium carboxylates of the general formula | 05-19-2011 |
| 20110111238 | IMPROVED ADHESIVE AGENTS FOR PLASTISOLS - The invention relates to plastisols which even without the addition of adhesion promoters exhibit high adhesion to metallic and cathodically deposition-coated substrates. | 05-12-2011 |
| 20110086984 | METHOD FOR PRODUCING SILYL-FUNCTIONALIZED ABA TRIBLOCK COPOLYMERS ON THE BASIS OF (METH)ACRYLATE - The invention relates to a process for preparing (meth)acrylate-based ABA triblock copolymers with a silyl functionalization of the A blocks. | 04-14-2011 |
| 20110082314 | METHOD FOR PRODUCING POLYALKYLENE GLYCOLDI(METH)ACRYLATES - The present invention relates to a process for preparing polyalkylene glycol di(meth)acrylates by reacting polyalkylene glycol with (meth)acrylic anhydride, wherein the reaction mixture contains at most 0.5% by weight of metal compounds and/or amines, the reaction is carried out in the presence of polymerization inhibitors and the reaction temperature is at least 60° C. | 04-07-2011 |
| 20110070302 | COATED PHARMACEUTICAL OR NUTRACEUTICAL PREPARATION WITH ACCELERATED CONTROLLED ACTIVE SUBSTANCE RELEASE - The present invention relates to pharmaceutical or nutraceutical preparations comprising a) a core containing a pharmaceutically or nutraceutically active substance; and b) a controlling layer surrounding the core comprising
| 03-24-2011 |
| 20110060159 | PROCESS FOR PREPARING CARBOXAMIDES BY HYDROLYSING CARBONITRILES IN THE PRESENCE OF A CATALYST COMPRISING MANGANESE DIOXIDE - The present invention relates to a process for preparing carboxamides by hydrolysing carbonitriles in the presence of a catalyst comprising manganese dioxide, wherein the reaction mixture added to the catalyst comprising manganese dioxide has a pH in the range of 6.0 to 11.0 and the hydrolysis is performed in the presence of an oxidizing agent. | 03-10-2011 |
| 20110046332 | HYDROGEL BASED ON COPOLYMERS CONTAINING SILICONE - The invention relates to a hydrogel which is a copolymer formed from a polymerizable monomer mixture which contains
| 02-24-2011 |
| 20110039977 | AQUEOUS DISPERSIONS COMPRISING AT LEAST ONE ALKYD RESIN - The present invention relates to an aqueous dispersion comprising at least one alkyd resin
| 02-17-2011 |
| 20110034728 | CATALYST FOR REACTING CARBOXYLIC ACID NITRILES - The present invention relates to a catalyst for reacting carbonitriles with water, wherein the catalyst comprises at least 60% by weight of manganese dioxide with an empirical formula MnO | 02-10-2011 |
| 20110034623 | METHOD FOR PREPARATION OF PENTA-BLOCK COPOLYMERS WITH OH-FUNCTIONALIZED BLOCKS BASED ON (METH)ACRYLATE - The invention relates to a process for preparing CABAC or ACBCA pentablock copolymers based on (meth)acrylate with an OH functionalization of the A blocks. | 02-10-2011 |
| 20110033530 | COATING COMPOSITION FOR THE DIP COATING OF CAPSULE HALVES - A coating composition for the enteric coating of capsule halves made of water-soluble or water-swellable polymer material in a dipping process is provided. The composition is an aqueous dispersion or solution, containing a polymer mixture of at least one first (meth)acrylate copolymer, which is enteric, and at least one further (meth)acrylate copolymer, which is enteric or water-insoluble, and also auxiliaries which influence the viscosity of the dispersion and the elasticity of the dried polymer film. The solids content of the dispersion or solution is more than 25% by weight and the viscosity is 150 to 1500 mPa·s and a dried film produced from the dispersion or solution has an elongation at break of at least 200%. Also provided is a capsule composed of two capsule halves coated with the dispersion or solution in a dipping process does. The enteric capsule does not dissolve in 0.1 N HCl at pH 1.2 after two hours, but completely dissolves in buffer at pH 6.8 in less than 30 minutes. A method to prepare enteric coated capsule halves is also provided. | 02-10-2011 |
| 20110028663 | STIRRED-TANK REACTOR AND METHOD FOR CARRYING OUT A POLYMERISATION REACTION USING SAID TYPE OF STIRRED-TANK REACTOR - The invention relates to a stirred-tank reactor and to a method for carrying out a polymerisation reaction of unsaturated monomers using a stirred-tank reactor. According to the invention, said stirred-tank reactor is characterised in that the product discharge point is designed as the central base outlet that is at least partially traversed by the agitator shaft. Said polymerisation is performed continuously under positive pressure, so that the stirred-tank reactor is operated hydrodynamically. | 02-03-2011 |
| 20110020207 | METHOD FOR PRODUCING HYDROGEN CYANIDE IN A PARTICULATE HEAT EXCHANGER CIRCULATED AS A MOVING FLUIDIZED BED - The invention relates to a process for continuously preparing hydrogen cyanide by reacting ammonia with hydrocarbons, the reaction gas mixture being brought to reaction temperature in the fluidized bed by means of indirect heating by contact with a particulate heat transferrer, and which is characterized in that the heat transferrer is conducted cyclically in a transported fluidized bed, the heat transferrer being heated in an ascending transport stream and being contacted with the reaction gas mixture in a descending transport stream. | 01-27-2011 |
| 20110017439 | HEAT EXCHANGER FOR HEATING TEMPERATURE AND RESIDENCE TIME SENSITIVE PRODUCTS - The invention relates to a tube bundle heat exchanger for transferring heat for the temperature sensitive and/or polymerisible substances. Said heat exchanger comprises a housing ( | 01-27-2011 |
| 20110015334 | PLASTIC MIXTURES COMPRISING THERMOPLASTIC POLYURETHANE (TPU) AND IMPACT-RESISTANT POLY(METH)ACRYLATE - The present invention relates to a plastics mixture comprising at least one thermoplastic polyurethane A) and at least one impact-modified poly(meth)acrylate B), where the impact-modified poly(meth)acrylate comprises a hard phase whose glass transition temperature is at least 70° C. and a tough phase whose glass transition temperature is at most −10° C., the average particle size of the tough phase is at most 130 nm, and at least a portion of the tough phase has covalent linkage to the hard phase. | 01-20-2011 |
| 20110015317 | POLY(METH)ACRYLIMIDE HAVING IMPROVED OPTICAL AND COLOR PROPERTIES, PARTICULARLY UNDER THERMAL LOAD - Process for preparing moulding materials MM with improved optical and colour properties, consisting of a polymer PM which contains units of the formula I | 01-20-2011 |
| 20110011390 | CONTINUOUS LAMINATION OF POLYMETHYLEMETHACRYLATE (PMMA) FILM IN THE MANUFACTURE OF A FRESNEL LENS - A method for forming a laminated product includes providing a film ( | 01-20-2011 |
| 20110009539 | FLAMEPROOF PMMA MOLDING COMPOUND - The invention relates to a flameproof PMMA moulding material, mouldings produced therefrom and the use thereof. Small amounts of an organo-phosphorus compound are sufficient to increase the glow wire flammability index by 300° C. | 01-13-2011 |
| 20100331572 | METHOD FOR PRODUCING METHACRYLIC ACID - The present invention relates to a method for producing methacrylic acid by reacting methacrylamide with water, wherein said reaction is performed continuously in a tube reactor and a pressure differential exists in the flow direction of the reaction mixture inside said tube reactor. Furthermore, the present invention discloses a facility for carrying out the method according to the invention. | 12-30-2010 |
| 20100331450 | POLYMETHYLMETHACRYLATE WITH A NACREOUS EFFECT - The invention relates to polymethylmethacrylate with a nacreous effect. Die Erfindung betrifft Polymethylmethacrylat mit Perlglanzeffekt. | 12-30-2010 |
| 20100314239 | METHOD FOR PURIFYING METHACRYLIC ACID - The present invention relates to a process for purifying methacrylic acid, wherein the reaction mixture obtained by a reaction of methacrylamide with water is cooled by mixing with an aqueous medium and then passed into a phase separator. | 12-16-2010 |
| 20100298466 | SYNTHESIS OF IMPROVED BINDERS AND MODIFIED TACTICITY - The invention relates to a process for preparing polymers for coating applications by polymerizing esters of acrylic acid or of methacrylic acid or vinyl aromatics or other free-radically polymerizable vinyl compounds or monomer mixtures composed predominantly of such monomers by means of a continuous polymerization process. In particular, the invention relates to a solvent-free preparation process for polymers, through which the binder can be prepared for coating applications with superior processing properties, very good thermal stability, improved pigment wetting and a higher gloss. | 11-25-2010 |
| 20100291644 | PROCESS FOR PREPARING METHACRYLIC ACID OR METHACRYLIC ESTERS - The present invention relates to a process for the preparation of methacrylic acid or methacrylic esters, comprising the process steps of
| 11-18-2010 |
| 20100291202 | COATED PHARMACEUTICAL OR NUTRACEUTICAL PREPARATION WITH ENHANCED PULSED ACTIVE SUBSTANCE RELEASE - The present invention relates to a pharmaceutical or nutraceutical preparation comprising a) a core containing a pharmaceutically or nutraceutically active substance and a substance that acts in a modulatory manner with regard of the release of pharmaceutically or nutraceutically active substances; and b) a controlling layer surrounding the core comprising i) 55 to 92% by weight based on the total weight of (meth)acrylic copolymers present in the layer of one or a mixture of a plurality of (meth)acrylate copolymers composed of 80 to 98% by weight based on the weight of the (meth)acrylic copolymer of structural units derived from C | 11-18-2010 |
| 20100286331 | TWO OR MORE-COMPONENT SYSTEM CURED BY A REDOX INITIATOR SYSTEM WITH CONTROLLABLE WORKING LIFE, AND THE USE THEREOF - Two-component or multicomponent system which cures by means of a redox initiator system and has a controllable pot life and comprises
| 11-11-2010 |
| 20100286288 | QUARTERNIZATION OF THE ADDITIVE AMINO ALKYLMETHACRYLATE COPOLYMER E FOR IMPROVING PERMEABILITY AND SOLUBILITY OF PHARMACEUTICALS - The present invention relates to a strategy for improving the permeability and solubility of pharmaceuticals, based on adding a chemically modified amino alkyl methacrylate copolymer E, wherein the chemical modification is the quaternization of a fraction of the existing amino alkyl groups. | 11-11-2010 |
| 20100280205 | PROCESS FOR PREPARING (METH)ACRYLATES - Process for preparing (meth)acrylates of the formula (I) | 11-04-2010 |
| 20100280182 | METHOD FOR THE PRODUCTION OF (METH) ACRYLATE-BASED ABA TRIBLOCK COPOLYMERS - The invention relates to a method for producing meth)acrylate-based ABA triblock copolymers in which the A blocks are amine-functionalized. | 11-04-2010 |
| 20100273970 | PROCESS FOR PREPARATION OF HIGH PURITY METHACRYLIC ACID - The present invention relates to a process for preparation of pure methacrylic acid, at least comprising the process steps: a) gas phase oxidation of a C4 compound to obtain a methacrylic acid-comprising gas phase, b) condensation of the methacrylic acid-comprising gas phase to obtain an aqueous methacrylic acid solution, c) separation of at least a part of the methacrylic acid from the aqueous methacrylic acid solution to obtain at least one crude methacrylic acid-comprising product; d) separation of at least a part of the methacrylic acid from the at least one crude methacrylic acid-comprising product by means of a thermal separation process to obtain a pure methacrylic acid. | 10-28-2010 |
| 20100272960 | MOLDED BODY HAVING MATT AND STRUCTURED SURFACE PROPERTIES - Composition for the production of mouldings having a matt and structured surface character, comprising a polymer matrix and crosslinked polymer particles, the polymer matrix comprising at least one acrylic polymer and the composition containing
| 10-28-2010 |
| 20100261840 | EMULSION POLYMERS, AQUEOUS DISPERSIONS AND METHOD FOR PRODUCING THE SAME - The present invention relates to an emulsion polymer comprising at least one (meth)acrylate segment which comprises
| 10-14-2010 |
| 20100255092 | COATED PHARMACEUTICAL OR NUTRACEUTICAL PREPARATION WITH ACCELERATED CONTROLLED ACTIVE SUBSTANCE RELEASE - The present invention relates to pharmaceutical or nutraceutical preparations comprising a) a core containing a pharmaceutically or nutraceutically active substance; and b) a controlling layer surrounding the core comprising i) 55 to 92% by weight based on the total weight of (meth)acrylic copolymers present in the layer of one or a mixture of a plurality of (meth)acrylate copolymers composed of 80 to 98% by weight based on the weight of the (meth)acrylic copolymer of structural units derived from Ci to C4 alkyl esters of (meth)acrylic acid and 2 to 20% by weight based on the weight of the (meth)acrylic copolymer of structural units derived from (meth)acrylate monomers with a quaternary ammonium group in the alkyl radical; and ii) 8 to 45% by weight based on the total weight of (meth)acrylic copolymers present in the layer of one or a mixture of a plurality of (meth)acrylate copolymers composed of more than 5 to 59% by weight based on the weight of the copolymer of structural units derived from acrylic acid or methacrylic acid, and to tablets and capsules containing same. | 10-07-2010 |
| 20100252069 | METHOD OF RECOVERING IMPREGNATING AGENT COMPOSITIONS - The present invention relates to processes for recovering impregnating compositions, the impregnated metal part being brought into contact with a salt-containing cleaning composition which comprises at least 0.7% by weight of at least one salt. | 10-07-2010 |
| 20100249449 | METHOD FOR AMIDATING OF NITRILE IN THE PRESENCE OF SULFURIC ACID - The present invention relates to a process for preparing carboxamides by amidating nitriles in the presence of sulphuric acid, wherein the reaction is performed in a Taylor reactor. The process enables a simple and inexpensive preparation of these compounds. The present invention further provides processes for preparing (meth)acrylamides and alkyl(meth)acrylates, which comprise an inventive amidation reaction. | 09-30-2010 |
| 20100247639 | COATED PHARMACEUTICAL OR NUTRACEUTICAL PREPARATION WITH ENHANCED ACTIVE SUBSTANCE RELEASE IN THE COLON - The present invention relates to a pharmaceutical or nutraceutical preparation comprising a) a core containing a pharmaceutically or nutraceutically active substance; and b) an inner controlling layer surrounding the core comprising i) one or a mixture of a plurality of (meth)acrylate copolymers bearing a cationic group or a group that can be converted to a cationic group; and ii) one or a mixture of a plurality of polymers or copolymers bearing an anionic group or group that can be converted to an anionic group; and c) an outer controlling layer comprising one or a mixture of a plurality of polymers or copolymers bearing an anionic group or group that can be converted to an anionic group and to tablets or capsules comprising same. | 09-30-2010 |
| 20100226978 | PH-DEPENDENT CONTROLLED RELEASE PHARMACEUTICAL OPIOID COMPOSITION WITH RESISTANCE AGAINST THE INFLUENCE OF ETHANOL - The invention relates to a pH-dependent controlled release pharmaceutical composition, comprising a core, comprising at least one pharmaceutical active ingredient, which is an opioid, wherein the core is coated at least by one coating layer, controlling the release of the pharmaceutical composition, wherein the coating layer comprises a polymer mixture of i) 40-95% by weight, based on dry weight of the polymer mixture, of at least one water insoluble essentially neutral vinyl polymer, and ii) 5-60% by weight, based on dry weight of the polymer mixture, of at least one anionic polymer or copolymer, which is insoluble in a buffered medium below pH 4.0 and soluble at least in the range from pH 7.0 to pH 8.0, characterized in that the coating layer further contains 110 to 250% by weight, calculated on dry weight of the polymer mixture, of a non-porous inert lubricant and the coating layer is present in an amount of at least 60% by weight calculated on the weight of core. | 09-09-2010 |
| 20100221324 | PH-DEPENDENT CONTROLLED RELEASE PHARMACEUTICAL COMPOSITION FOR NON-OPIOIDS WITH RESISTANCE AGAINST THE INFLUENCE OF ETHANOL - The invention relates to a pH-dependent controlled release pharmaceutical composition, comprising at least one pharmaceutical active ingredient, with the exception of opioids, wherein the core is coated at least by one coating layer, controlling the release of the pharmaceutical composition, wherein the coating layer comprises a polymer mixture of i) 40-95% by weight, based on dry weight of the polymer mixture, of at least one water insoluble essentially neutral vinyl polymer or copolymer, and ii) 5-60% by weight, based on dry weight of the polymer mixture, of at least one anionic polymer or copolymer, which is insoluble in a buffered medium below pH 4.0 and soluble at least in the range from pH 7.0 to pH 8.0. characterized in that the coating layer further contains 110 to 250% by weight, calculated on dry weight of the polymer mixture, of a non-porous inert lubricant and the is present in an amount of at least 60% by weight calculated on the weight of core. | 09-02-2010 |
| 20100217030 | METHOD AND PLANT FOR PURIFYING UNSATURATED COMPOUNDS - The present invention relates to a process for purifying unsaturated compounds, said purification being performed in a plant which comprises at least two evaporators which are connected in such a way that a portion of the unsaturated compound is circulated, the vapours condensed in the first evaporator being isolated and the vapours condensed in the second evaporator being introduced into the first evaporator, which is characterized in that the mass flow with which the condensed vapours are isolated from the mixture to be purified in the first evaporator is less than the mass flow with which the condensed vapours from the second evaporator are introduced into the first evaporator. | 08-26-2010 |
| 20100213636 | METHOD FOR THE PRODUCTION OF COATED MOLDINGS - The present invention relates to a process for the production of coated mouldings, by injecting a moulding composition into an injection mould and cooling the composition to obtain a moulding, and altering the injection mould in such a way as to produce an intermediate space between a surface to be coated of the moulding and the inner surface of the injection mould, and using injection moulding to charge a reactive mixture to the resultant intermediate space, where the temperature of at least a portion of the injection mould is increased for the curing of the reactive mixture. | 08-26-2010 |
| 20100209658 | TWO-SIDED SINGLE-NEEDLE UNDERSTITCH SEWING TECHNIQUE - Reinforcement of sandwich structures with aid of a reinforcing device. The outer layers of the sandwich structure may primarily include a fiber-plastic composite and the core material may include a rigid polymer foam. | 08-19-2010 |
| 20100208479 | REAR ELEMENT FOR A MOTOR VEHICLE COMPRISING A LIGHTING UNIT - The present invention relates to a rear-end element ( | 08-19-2010 |
| 20100204509 | METHOD FOR PRODUCING (METH)ACRYLATES - The present invention relates to a process for preparing (meth)acrylates, which comprises the transesterification of an alcohol with a low-boiling ester of (meth)acrylic acid in the presence of catalysts, with the alcohol liberated from the low-boiling ester of (meth)acrylic acid being separated off by distillation, characterized in that the molar ratio of low-boiling ester of (meth)acrylic acid to starting alcohol present in the reaction mixture is increased during the reaction by addition of low-boiling ester of (meth)acrylic acid. The process of the invention makes a particularly inexpensive preparation of (meth)acrylates having a very high purity possible. | 08-12-2010 |
| 20100204396 | COATING FORMULATION WITH ENHANCED METAL ADHESION - The invention relates to a coating formulation with improved metal adhesion. | 08-12-2010 |
| 20100197955 | METHOD FOR PRODUCING BUTANEDIOL DIMETHACRYLATES - The present invention relates to a process for preparing butanediol dimethacrylates, which comprises the transesterification of butanediol with an ester of methacrylic acid in the presence of catalysts, wherein a combination comprising at least one lithium compound and at least one calcium compound is used as catalyst, at least one of the compounds of lithium and/or of calcium is an oxide, a hydroxide, an alkoxide having from 1 to 4 carbon atoms or a carboxylate having from 1 to 4 carbon atoms and at least part of the reaction is carried out in the presence of an effective amount of water. The process of the invention makes a particularly inexpensive preparation of butanediol dimethacrylates having a very high purity possible. | 08-05-2010 |
| 20100197851 | AQUEOUS DISPERSIONS INCLUDING AT LEAST ONE ALKYD RESIN AND AT LEAST ONE ADDITION POLYMER HAVING AT LEAST ONE (METH)ACRYLAT-SEGMENT - The present invention relates to an aqueous dispersion comprising at least one alkyd resin and at least one addition polymer having at least one (meth)acrylate segment which comprises
| 08-05-2010 |
| 20100193988 | DEGASSING EXTRUDER FOR DEGASSING A POLYMER MATERIAL AND METHOD FOR DEGASSING A SYRUP CONSISTING OF POLYMERS, SOLVENTS AND/OR MONOMERS USING A DEGASSING EXTRUDER - The invention relates to a vented extruder ( | 08-05-2010 |
| 20100190886 | RESIN SYSTEM FOR INTUMESCENT COATING WITH ENHANCED METAL ADHESION - The invention relates to an intumescent coating with improved metal adhesion. | 07-29-2010 |
| 20100189983 | PMMA/PVDF FILM WITH PARTICULARLY HIGH WEATHERING STABILITY AND HIGH UV PROTECTIVE ACTION - The invention describes a transparent foil composed of plastic with improved weathering resistance and increased intrinsic stability where the foil encompasses | 07-29-2010 |
| 20100189954 | BUTT JOINT CONNECTIONS FOR CORE MATERIALS - The invention is based on the object of improving the mechanical properties of butt joints in sandwich structures via introduction of reinforcement elements in the direction of thickness of the sandwich structure (z direction). The invention can be used for the production of sandwich elements for applications in aerospace, and also in shipbuilding, construction of motor vehicles and of rail vehicles, construction of power-generation systems, and construction of sports equipment. | 07-29-2010 |
| 20100185009 | METHOD FOR SYNTHESIZING ALLYL METHACRYLATE - The present invention relates to a process for preparing allyl methacrylate, comprising the reaction of allyl alcohol with an ester of methacrylic acid, wherein the reaction is catalysed by zirconium acetylacetonate. The process according to the invention enables particularly favourable preparation of allyl methacrylate with a very high purity. | 07-22-2010 |
| 20100174028 | EMULSION POLYMER COMPRISING ACTIVATORS, PROCESS FOR PREPARATION THEREOF AND USE THEREOF IN TWO-COMPONENT OR MULTICOMPONENT SYSTEMS - The invention describes an | 07-08-2010 |
| 20100174022 | COMPOSITION WITH INCREASED STRESS CRACKING RESISTANCE - Composition containing, based in each case on its total weight,
| 07-08-2010 |
| 20100168282 | DISPERSION COMPRISING INORGANIC PARTICLES, WATER, AND AT LEAST ONE POLYMERIC ADDITIVE - The present invention relates to a dispersion comprising inorganic particles, water and at least one water-soluble polymer, wherein the water-soluble polymer comprises repeating units derived from monomers having at least one quaternary ammonium group, repeating units derived from monomers having at least one carboxy group and repeating units derived from ester monomers which contain polyalkoxyalkylene groups and have a number average molecular weight in the range from 3000 g/mol to 10 000 g/mol. | 07-01-2010 |
| 20100167615 | METHOD FOR SURFACE HARDENING SUBSTANCES BY APPLICATION OF PARTICULARLY TRANSPARENT POLYMETHACRYLATE LAYERS - The present invention describes a process for the surface finishing of materials via application of specific polymethacrylate layers. The polymethacrylate layers are composed of blends of at least two (co)polymers of polymethacrylates, and specific “reactive monomers” are present here in a polymerized mixture which forms the polymethacrylate layer. At the application temperature established, these form a chemical and, where appropriate, also a physical bond to the substrate, and therefore have adhesion-promoting action. | 07-01-2010 |
| 20100167045 | REACTIVE MIXTURE FOR COATING MOLDED OBJECTS BY MEANS OF REACTION INJECTION MOLDING AND COATED MOLDED OBJECT - The present invention relates to a reactive mixture for coating mouldings by means of reaction injection moulding, comprising at least 40% by weight of (meth)acrylates having at least two double bonds, the reactive mixture comprising at least one photoinitiator and at least one thermal initiator. | 07-01-2010 |
| 20100163177 | USE OF SWELLABLE POLYMER FOR SEALING - Use of a swellable polymer for sealing, wherein the polymer is obtainable by polymerizing a composition which comprises at least one polyalkylene glycol di(meth)acrylate having a weight-average molecular weight greater than 2500 g/mol. | 07-01-2010 |
| 20100148401 | COLOURED COMPOSITION WITH INCREASED STRESS CRACKING RESISTANCE - The invention relates to a composition containing, in relation to the total weight of said composition, A) between 50.0% by weight and 99.5% by weight of at least one (meth)acrylate (co)polymer and B) between 0.5% by weight and 50.0% by weight of at least one copolymer, obtained by the polymerisation of a monomer mixture consisting of i. between 70% by weight and 92% by weight of a vinyl aromatic monomer and ii. between 8% by weight and 30% by weight of acryl nitrile or methacryl nitrile or mixtures thereof iii. between 0% by weight and 22% by weight of at least one other monomer, the composition having at 50° C. a ΔE of less than 0.15, ΔE being defined according to the relationship (1): (1) in which ΔL*: the modification of the colour co-ordinates L* compared with the colour co-ordinates L* at 23° C., Δa*: the modification of the colour co-ordinates a* compared with the colour co-ordinates a* at 23° C., Δb*: the modification of the colour co-ordinates b* compared to the colour co-ordinates b* at 23° C., and the composition contains at least one (meth)acrylate (co)polymer a) with a solution viscosity in chloroform at 25° C. (ISO 1628 part 6) greater than 55 ml/g. The moulded bodies that can be obtained from the composition are characterised in particular by improved stress cracking resistance and are suitable in particular for use in coatings, paints or films. | 06-17-2010 |
| 20100144931 | PROCESS FOR PREPARATION OF METHYL METHARYLATE USING RECYCLED METHANOL - The invention relates to a process for production of methacrylic acid, to a process for production of methyl methacrylate comprising the process steps a) providing a feed composition comprising at least one C | 06-10-2010 |
| 20100130648 | PROCESS FOR PREPARATION OF METHYL METHACRYLATE BY ESTERIFICATION DURING OXIDATION - The invention relates to a process for preparation of methacrylic acid, comprising the steps: a) providing a feed composition comprising a main compound selected from isobutylene and tert-butyl alcohol and at least one co-compound selected from the group consisting of methanol, dimethyl ether and formaldehyde; b) subjecting the feed composition provided in step a) with at least a first part of said at least one co-compound to a catalytic reaction zone and obtaining an oxidation phase comprising methyl methacrylate and methacrylic acid. The invention also relates a process for preparation of methyl methacrylate, further comprising the step of: c) esterification of at least a part of the oxidation phase obtained in step b), to an apparatus for preparation of methacrylic acid, to an apparatus for preparation of methyl methacrylate, to a process carried out in the apparatus, to methacrylic acid, to methyl methacrylate, to methacrylate esters, to a process for preparation of a polymer comprising at least one methacrylic acid, methyl methacrylate and/or methacrylate ester monomer unit, to a polymer comprising at least one methacrylic acid, methyl methacrylate and/or methacrylate ester monomer, to a process for preparation of a composition, to a composition, to chemical products, and to the use of at least one of methacrylic acid, methyl methacrylate, methacrylate ester, a polymer and/or a composition in chemical products. | 05-27-2010 |
| 20100129446 | SOLID DOSAGE FORMS COMPRISING AN ENTERIC COATING WITH ACCELERATED DRUG RELEASE - The present invention refers to a solid dosage form comprising an inner coating located between a core containing a pharmaceutically active ingredient and an outer enteric coating; wherein said inner coating comprises a partially neutralized anionic polymeric material, and at least a carboxylic acid having 2 to 16 carbon atoms the salts thereof or mixtures of said acid and its salt; wherein said outer coating comprises an anionic polymeric material which is less or not at all neutralized than the material of the inner coating. | 05-27-2010 |
| 20100120949 | USE OF A FEED COMPOSITIONS IN PREPARATION OF METHACRYLIC ACID BY OXIDATION - The invention relates to a process for production of at least one C | 05-13-2010 |
| 20100098908 | MOULDING COMPOSITIONS FOR MATT PMMI MOULDINGS - Moulding composition, comprising, in each case based on the total weight of the moulding composition, | 04-22-2010 |
| 20100098907 | MOLDING COMPOUND FOR MATT MOLDED POLYACRYLATE BODIES - Moulding composition, comprising, based in each case on the total weight of the moulding composition,
| 04-22-2010 |
| 20100086468 | METHOD FOR PRODUCING HYDROCYANIC ACID (HCN) - The present invention relates to a process for preparing hydrogen cyanide by the Andrussow process by reacting methane-containing gas, ammonia and oxygen-containing gas over a catalyst at elevated temperature, wherein the proportion by volume of oxygen in relation to the total volume of nitrogen and oxygen (O | 04-08-2010 |
| 20100076214 | PROCESS FOR PREPARING CYANOHYDRINS AND THEIR USE IN THE PREPARATION OF ALKYL ESTERS OF METHACRYLIC ACID - The invention relates to a process for preparing acetone cyanohydrin and to a process for preparing alkyl methacrylates, in which an acetone cyanohydrin as can be prepared in accordance with the present invention is used. | 03-25-2010 |
| 20100069666 | IMPROVED METHOD FOR THE PRODUCTION OF UNSATURATED CARBOXYLIC ACID ANHYDRIDES - The invention provides an improved process for preparing unsaturated carboxylic anhydrides of the general formula I | 03-18-2010 |
| 20100069662 | INTEGRATED PROCESS AND APPARATUS FOR PREPARING ESTERS OF METHACRYLIC ACID FROM ACETONE AND HYDROCYANIC ACID - The subject-matter of the present invention relates in principle to a process for preparing alkyl esters of methacrylic acid and its conversion products, which can be used in a multitude of chemical synthesis processes which can lead to a wide variety of different further processing products, and to an apparatus for performing this process. | 03-18-2010 |
| 20100069594 | PRODUCTION BY DISTILLATION OF ACETONE CYANHYDRIN AND METHOD FOR PRODUCING METHACRYLIC ESTER AND SUBSEQUENT PRODUCTS - The present invention relates in general terms to a process for preparing acetone cyanohydrin, comprising as steps:
| 03-18-2010 |
| 20100068773 | MICROBIOLOGICAL PRODUCTION OF 3-HYDROXYISOBUTYRIC ACID - The present invention relates to a cell which has been modified in comparison with its wild type in such a way that it is capable of forming more, by comparison with its wild, 3-hydroxyisobutyric acid or poly-hydroxyalkanoates based on 3-hydroxyisobutyric acid via methylmalonate-semialdehyde or 3-hydroxybutyryl-coenzyme A as precursors. The invention also relates to a method of generating a genetically modified cell, to the genetically modified cell obtainable by these methods, to a method of producing 3-hydroxyisobutyric acid or polyhydroxyalkanoates based on 3-hydroxyisobutyric acid, to a method of producing methacrylic acid or methacrylic esters, and to a method of producing polymethacrylic acid or polymethacrylic esters. The present invention furthermore relates to an isolated DNA, to a vector, to the use of this vector for transforming a cell, to a transformed cell, and to a polypeptide. | 03-18-2010 |
| 20100062271 | PROCESS FOR PRODUCING IMPROVED BINDERS FOR PLASTISOLS - The invention relates to a process for preparing binders for plastisols that ensures high and consistent product quality over a multiplicity of batches. The binders obtained from this process allow the formulation of plastisols which possess improved stability on storage and, after gelling, improved mechanical properties. | 03-11-2010 |
| 20100061932 | PEPTIDES USEFUL AS CELL-PENETRATING PEPTIDES - The present invention is related to a peptide having an amino acid sequence comprising at least 8 consecutive amino acids of the human lactoferrin protein or of the bovine lactoferrin protein, whereby the peptide is suitable to act as a cell-penetrating peptide. | 03-11-2010 |
| 20100056742 | PROCESS AND APPARATUS FOR PREPARING ALKYL ESTERS OF METHACRYLIC ACID - The present invention relates to a process for preparing alkyl methacrylates and their conversion products which can be used in a multitude of chemical synthesis processes which can lead to a wide variety of different further processing products, and to an apparatus for performing this process. | 03-04-2010 |
| 20100041852 | METHOD FOR PRODUCING SILYL TELECHELIC POLYMERS - The present invention relates to the in situ silyl end group functionalization of polymer chains which have been prepared by means of atom transfer radical polymerization and the simultaneous removal of transition metals from polymer solutions. | 02-18-2010 |
| 20100035314 | METHOD FOR THE ENZYMATIC PRODUCTION OF 2-HYDROXY-2-METHYL CARBOXYLIC ACIDS - The present invention relates to a method for the enzymatic production of 2-hydroxy-2-methyl carboxylic acids from 3-hydroxy carboxylic acids, where a 3-hydroxy carboxylic acid is produced in an aqueous reaction solution and/or is added to this reaction solution and is incubated. The aqueous reaction solution comprises a unit having 3-hydroxy-carboxylate-CoA mutase activity which has both 3-hydroxy-carbonyl-CoA ester-producing and 3-hydroxy-carbonyl-CoA ester-isomerizing activity and converts the 3-hydroxy carboxylic acid into the corresponding 2-hydroxy-2-methyl carboxylic acid which is isolated as acid or in the form of its salts. In a preferred embodiment, the unit having 3-hydroxy-carboxylate-CoA mutase activity is a unit which includes an isolated cobalamin-dependent mutase and where appropriate a 3-hydroxy-carbonyl-CoA ester-producing enzyme or enzyme system or a microorganism including them. The invention preferably relates to a biotechnological process for producing 2-hydroxy-2-methyl carboxylic acids, where microorganisms which have the desired activities are cultured in an aqueous system with the aid of simple natural products and convert intracellularly formed 3-hydroxy-carbonyl-CoA esters into the corresponding 2-hydroxy-2-methyl carboxylic acids. The invention likewise encompasses the production of unsaturated 2-methyl carboxylic acids, where the 2-hydroxy-2-methyl carboxylic acids obtained are converted by dehydration into the corresponding unsaturated 2-methyl carboxylic acids (methacrylic acid and higher homologues). | 02-11-2010 |
| 20100029979 | PROCESS FOR PREPARING (METH)ACRYLIC ACID - The present invention relates to a process for preparing (meth)acrylic acid, characterized in that a cyclic ester is converted to (meth)acrylic acid in the presence of a catalyst. The (meth)acrylic acid prepared can in particular be converted to (meth)acrylates. | 02-04-2010 |
| 20100029881 | METHOD FOR PRODUCING METHACRYLIC ALKYL ESTERS BY WAY OF AZEOTROPIC DISTILLATION - The present invention relates in general terms to a process for preparing alkyl methacrylates, comprising as steps:
| 02-04-2010 |
| 20100021977 | PROCESS FOR PREPARING ALKYL (METH)ACRYLATES USING AN ENZYMATIC CYANOHYDRIN HYDROLYSIS - The present invention relates to a process for preparing alkyl(meth)acrylates, characterized in that the process has a step in which a cyanohydrin is hydrolysed with an enzyme whose residual activity after the conversion of methacrylonitrile in the presence of 20 mM cyanide ions at 20° C. after 30 min is at least 90% of the residual activity of the enzyme which has been used under otherwise identical conditions in the absence of cyanide ions. | 01-28-2010 |
| 20100018143 | COMPOSITE SUPPORT SYSTEMS USING PLASTICS IN COMBINATION WITH OTHER MATERIALS - The invention describes a load-bearing system which is composed of a plurality of components of different materials. At least one component that dissipates load here is composed of plastic. A frictional bond achieved via at least one bonding technique transmits the loads for the various components. The plastic can be transparent. | 01-28-2010 |
| 20100010276 | PROCESS FOR PREPARING TETRAMETHYL GLYCOLIDE - The present invention relates to a process for preparing tetramethylglycolide by heating a composition which comprises at least 50% by weight of 2-hydroxy-isobutyric acid and/or tetramethylglycolide to a temperature of at least 100° C. | 01-14-2010 |
| 20100010178 | METHOD FOR THE PRODUCTION OF TELECHELIC POLYMERS - The present invention relates to the coupling of two polymer chains to give end group-functionalized polymers, the simultaneous precipitation of transition metals from polymer solutions and to the removal of halogen atoms from polymer chain ends. | 01-14-2010 |
| 20100004417 | METHOD FOR THE ADSORPTIVE PURIFICATION OF ALKYL METHACRYLATES - The invention relates in general terms to a process for preparing to a process for purifying an alkyl methacrylate, comprising the steps of:
| 01-07-2010 |
| 20090326163 | PROCESS FOR PREPARING ACID-TERMINATED ATRP PRODUCTS - The present invention relates to the in situ acid end group functionalization of polymer chains which have been prepared by means of atom transfer radical polymerization, and to the simultaneous removal of transition metals from polymer solutions. | 12-31-2009 |
| 20090318648 | MEDIA-RESISTANT COATING RESINS - The invention relates to compositions comprising glycerol mono(meth)acrylate and hydroxyethyl methacrylate, including those with addition of further monomers, free-radically polymerized and subsequently crosslinked with isocyanates, to a process for preparing them and to their use as film-forming resins with particular media resistance. | 12-24-2009 |
| 20090318645 | METHOD FOR THE PRODUCTION OF OXETANE GROUP-CONTAINING (METH)ACRYLATES - The invention relates to a process for preparing oxetane-containing (meth)acrylates. | 12-24-2009 |
| 20090312498 | PROCESS FOR PREPARING HYDROXY-TELECHELIC ATRP PRODUCTS - The present invention relates to the in situ hydroxyl end group functionalization of polymer chains which have been prepared by means of atom transfer radical polymerization, and to the simultaneous removal of transition metals from polymer solutions. | 12-17-2009 |
| 20090299023 | METHOD FOR PRODUCING ACETONE CYANHYDRIN AND THE SUBSEQUENT PRODUCTS THEREOF BY SPECIFIC COOLING - The present invention relates in general terms to a process for preparing acetone cyanohydrin, comprising as steps:
| 12-03-2009 |
| 20090292066 | PLASTISOLS BASED ON A METHYL METHACRYLATE COPOLYMER - The invention relates to plastisol systems with improved adhesion and with lower water absorption. | 11-26-2009 |
| 20090275707 | PROCESS FOR PREPARING HALOGEN-FREE ATRP PRODUCTS - The present invention relates to the in situ removal of terminal halogen atoms from polymer chains which have been prepared by means of atom transfer radical polymerization, and to the simultaneous removal of transition metals from polymer solutions. | 11-05-2009 |
| 20090264673 | METHOD FOR THE CONTINUOUS PRODUCTION OF UNSATURATED CARBOXYLIC ACID ANHYDRIDES - Process for continuously preparing unsaturated carboxylic anhydrides of the general formula I | 10-22-2009 |
| 20090253845 | METHACRYLATE RESINS FOR PRODUCING ROAD MARKINGS - The invention relates to methacrylate resins and to their use. | 10-08-2009 |
| 20090217453 | PLEXIGLAS SURFACE WITH ANTI-SLIP PROPERTIES AND SANITARY ELEMENTS EQUIPPED WITH THE LATTER - PLEXIGLAS® is suitable—when provided with a structured and microrough surface —as an anti-slip covering for sanitary elements. | 09-03-2009 |
| 20090209781 | PROCESS FOR PREPARING ALPHA-HYDROXYCARBOXYLIC ACIDS - Continuous process for preparing alpha-hydroxycarboxylic esters, in which the reactants reacted are alpha-hydroxycarboxamide with an alcohol in the presence of a catalyst to obtain a product mixture which comprises alpha-hydroxycarboxylic ester, ammonia, unconverted alpha-hydroxycarboxamide and alcohol, and catalyst; wherein
| 08-20-2009 |
| 20090182167 | PROCESS FOR PREPARING ALPHA-HYDROXYCARBOXYLIC ESTERS - Continuous process for preparing alpha-hydroxycarboxylic esters, in which the reactants reacted are alpha-hydroxycarboxamide with an alcohol in the presence of a catalyst to obtain a product mixture which comprises alpha-hydroxycarboxylic ester, ammonia, unconverted alpha-hydroxycarboxamide and alcohol, and catalyst; wherein
| 07-16-2009 |
| 20090166176 | METHOD FOR PURIFYING POLYMERIZABLE COMPOUNDS - Process for distillatively purifying polymerizable compounds using a high-boiling, inert, thermally long-term-stable substance as a boiling oil, characterized in that the boiling oil is disposed in the bottom of a rectification column. | 07-02-2009 |
| 20090165949 | METHOD OF BONDING MATERIALS OF CONSTRUCTION USING NANOSCALE, SUPERPARAMAGNETIC POLY(METH)ACRYLATE POLYMERS - The invention relates to a method of bonding different materials of construction using hybrid materials comprising nanoscale, superparamagnetic, ferromagnetic, ferrimagnetic or paramagnetic powders enveloped or in part not enveloped by poly(meth)acrylates, and to their use. | 07-02-2009 |
| 20090159834 | NANOSCALE SUPERPARAMAGNETIC POLY(METH)ACRYLATE POLYMERS - The invention relates to hybrid materials comprising polymers which envelop nanoscale, superparamagnetic, ferromagnetic, ferrimagnetic or paramagnetic powders, to a process for producing these materials and to their use. | 06-25-2009 |
| 20090146548 | Device for Illuminating Using Blue, Green, Yellow, or Red Light Emitting Diodes - The invention relates to an apparatus for illumination with blue, green, yellow or red light-emitting diodes (LEDS), comprising one or more coloured LEDs and a light-scattering cover associated with the LED colour and composed of coloured plastic and having a base colour derived from one or more non-fluorescent dyes, characterized in that the light-scattering cover comprises, in addition to the base colour, at least one fluorescent dye associated in terms of colour with the base colour, where the dye mixture has been adjusted in such a way that the reflectance of the light-scattering cover is at least 28% at the wavelength of the energy maximum of the LED(S) used, where, based on the standard chromaticity diagram and on the colour loci of the reflected light from the light-scattering cover and on the colour locus of the LED(s) used, the following alternative relationship applies to the absolute value of the difference between the x value of the light-scattering cover and the x value of the LED and the absolute value of the difference between the y value of the light-scattering cover and the y value of the LED:
| 06-11-2009 |
| 20090118533 | METHOD FOR THE CONTINUOUS PRODUCTION OF UNSATURATED CARBOXYLIC ACID ANHYDRIDES - The invention relates to a method for the continuous production of unsaturated carboxylic acid anhydrides of general formula (I): R—C(O)—O—C(O)—R (I), wherein R is an unsaturated organic group with 2 to 12 C atoms, by reaction of a ketene with an unsaturated carboxylic acid of general formula (II): R—COOH (II), wherein R is defined as above, in an apparatus which has a reaction zone ( | 05-07-2009 |
| 20090105399 | TRANSPARENT TPU (THERMOPLASTIC POLYURETHANES)/PMMA (POLYMETHYL (METH) ACRYLATE) BLENDS WITH IMPROVED LOW-TEMPERATURE IMPACT RESISTANCE - The invention describes transparent plastics mixtures having low-temperature impact resistance composed of a thermoplastic polyurethane (TPU) and of an impact-modified poly(meth)acrylate (PMMA). | 04-23-2009 |
| 20090062508 | COPPER REMOVAL FROM ATRP PRODUCTS BY MEANS OF ADDITION OF SULFUR COMPOUNDS - The present invention relates to a precipitation process for removing transition metals from polymer solutions. Specifically, it comprises the removal of transition metal complexes which usually comprise copper from polymer solutions after a completed atom transfer radical polymerization. | 03-05-2009 |
| 20090048401 | SYNTHESIS OF POLYESTER-GRAFT-POLY(METH)ACRYLATE COPOLYMERS - The present invention relates to a novel synthesis of (meth)acrylate-grafted polyesters and their action as compatibilizers. | 02-19-2009 |
| 20090043044 | METHOD FOR PRODUCTION OF BEAD POLYMERS WITH AN AVERAGE PARTICLE SIZE IN THE RANGE OF 1 MICROMETER TO 40 MICROMETERS AND MOULDED MASSES AND MOULDED BODIES COMPRISING BEAD POLYMERS - Process for preparation of bead polymers whose average particle size is in the range from 1 μm to 40 μm, by dispersing and polymerizing a polymerizable composition in an aqueous phase, where the dispersion stabilized by an aluminium compound is prepared at a shear rate ≧10 | 02-12-2009 |
| 20090011007 | Pharmaceutical Compositions Containing Mixtures of Polymers and Active Agents Poorly Soluble in Water - The invention relates to a pharmaceutical composition comprising a mixture of at least one cationic, water-soluble (meth)acrylate copolymer, at least one water-insoluble polymer and at least one active ingredient having a solubility in demineralized water of 3.3 g/l or less, characterized in that the water-insoluble polymer and the active ingredient are present in a ratio of at most 3.5 to 1 parts by weight, and the pharmaceutical composition has the property of releasing the active ingredient present in a medium buffered to pH 1.2 in dissolved form in a concentration which, after 2 hours at pH 1.2, corresponds to at least sixteen times the solubility value of the active ingredient alone at pH 1.2. | 01-08-2009 |
| 20090001322 | Process for Preparing Alkoxypolyoxyalkylene (Meth) Acrylates - Process for preparing an alkoxypolyoxyalkylene (meth)acrylate in which
| 01-01-2009 |
| 20080300373 | Method of Purifying (Meth) Acrylates - The invention relates to a process for purifying (meth)acrylates. | 12-04-2008 |
| 20080292893 | Heat-Sealing Material for Aluminum Foils and Polyethylene Terephthalate Foils Against Polypropyl, Polyvinyl Chloride, and Polystyrol Containers - The invention relates to a heat-sealable coating system suitable for the sealing of various types of substrate and comprising a film-forming dispersion, | 11-27-2008 |
| 20080287632 | Stabilization of Monomer Emulsions Against Premature Polymerization - The invention relates to a stable formulation of a monomer emulsion, to a process for its preparation and to its uses. | 11-20-2008 |
| 20080287629 | Aqueous N-Methylolmethacrylamide-Methacrylamide Mixture - The invention relates to mixtures of methacrylamide and aqueous N-methylolmethacrylamide solution. | 11-20-2008 |
| 20080281023 | Pmma Film Featuring Particularly Great Weather Resistance and Great Uv Protection - The invention relates to a novel UV-protective and weather-resistant package for surface protecting films for polyvinyl chloride window profiles made of poly(meth)acrylate. Matrix plastics having great molecular weights are used in order to obtain great weather resistance of the surface protecting films. | 11-13-2008 |
| 20080269431 | Apparatus and Method for Continuously Carried Out Equilibrium Reactions - The invention relates to an apparatus and a process for carrying out equilibrium reactions continuously. | 10-30-2008 |
| 20080262176 | Process for Preparing (Meth) Acrylate-Based Aba Triblock Copolymers - The invention relates to a process for preparing (meth)acrylate-based ABA triblock copolymers with an olefinic functionalization of the A blocks. | 10-23-2008 |
| 20080255372 | Process for Preparing Glyceryl Carbonate - The present invention relates to a process for preparing highly pure glyceryl carbonate by transesterifying dialkyl carbonates or cyclic carbonates in the presence of a basic catalyst. | 10-16-2008 |
| 20080237529 | Sprayable Acoustic Compositions - The invention relates to sprayable acoustic compositions, production processes and uses. | 10-02-2008 |
| 20080206350 | PELLETS HAVING A GASTRIC JUICE-RESISTANT ACTIVE COMPOUND MATRIX - A pellet contains a pharmaceutically active substance embedded in a polymer matrix of one or more water-insoluble polymers; wherein said polymer matrix comprises 10 to 90% by weight of an anionic polymer; with the proviso that the pellet a) releases no more than 10% of said active compound in a release test according to USP in artificial gastric juice at pH 1.2 after 120 min, and b) releases at least 50% of the active compound after altogether a further 300 min at pH 6.8 and/or pH 7.5; wherein said pellet has a particle size in the range from 300 to 1100 μm. | 08-28-2008 |
| 20080206324 | PELLETS HAVING AN ACTIVE COMPOUND MATRIX AND A POLYMER COATING, AND A PROCESS FOR THE PRODUCTION OF THE PELLETS - An active compound-containing pellet has a polymer coating of an anionic (meth)acrylate copolymer and a pharmaceutically active substance, embedded in a polymer matrix of one or more polymers, a particle size in the range from 300 to 1100 μm, a friability of at most 0.1%, measured using 200 g of pellets in a screening machine having a 200 μm screen, a screening diameter of 20 cm and 1.5 mm shaking amplitude at a shaking frequency of 50 l/sec for 10 min in the presence of six rubber cubes having a 1.8 cm edge length, with the proviso that the pellet releases no more than 10% of the active compound in a release test according to USP in artificial gastric juice at pH 1.2 after 120 min. | 08-28-2008 |
| 20080200482 | Use of a Partially Neutralized, Anionic (Meth)Acrylate Copolymer as a Coating for the Production of a Medicament Releasing Active Substance at Reduced Ph Values - (EN) The invention relates to the use of a partially neutralized, anionic (meth)acrylate copolymer comprising radically polymerized units of 25 to 95 percent by weight of C | 08-21-2008 |
