Patent application number | Description | Published |
20080292824 | Plastic Composite Moulded Bodies Obtainable by Welding in an Electromagnetic Alternating Field - The invention relates to plastics composite mouldings obtainable via welding in an alternating electromagnetic field, in which the weld is obtained with the aid of a plastics material which comprises nano-scale, magnetic oxidic particles, which are composed of aggregated primary particles, and where the primary particles are composed of magnetic metal oxide domains whose diameter is from 2 to 100 nm in a non-magnetic metal oxide matrix or non-magnetic metalloid oxide matrix. | 11-27-2008 |
20090286096 | MULTIPLE LAYER FILM AND COMPOSITE MATERIAL PRODUCED THEREFROM - A film comprising the following layers:
| 11-19-2009 |
20100312012 | UNSATURATED DICARBOXYLIC ACIDS FROM UNSATURATED CYCLIC HYDROCARBONS AND ACRYLIC ACID BY WAY OF METATHESIS, THE USE THEREOF AS MONOMERS FOR POLYAMIDES, POLYESTERS AND POLYURETHANES, AND SUBSEQUENT REACTION TO DIOLS AND DIAMINES - The invention relates to a method for producing α/β-unsaturated dicarboxylic acids and the corresponding saturated dicarboxylic acids, whereby the corresponding cycloalkene and acrylic acid are reacted with a ruthenium catalyst by way of a metathesis reaction at high substrate concentrations until the reaction takes place in substance, the resulting dicarboxylic acid being precipitated. | 12-09-2010 |
20100324257 | OMEGA-AMINO CARBOXYLIC ACIDS, OMEGA-AMINO CARBOXYLIC ACID ESTERS, OR RECOMBINANT CELLS WHICH PRODUCE LACTAMS THEREOF - The present invention relates to a cell, which has been genetically modified relative to its wild type, so that in comparison with its wild type it is able to produce more ω-aminocarboxylic acids, more ω-aminocarboxylic acid esters or more lactams derived from ω-aminocarboxylic acids, starting from carboxylic acids or carboxylic acid esters. Furthermore, the present invention relates to a method for the production of a genetically modified cell, the cells obtainable by this method, a method for the production of ω-aminocarboxylic acids, of ω-aminocarboxylic acid esters or of lactams derived from ω-aminocarboxylic acids, the ω-aminocarboxylic acids, ω-aminocarboxylic acid esters or lactams derived from ω-aminocarboxylic acids obtainable by this method, a method for the production of polyamides based on ω-aminocarboxylic acids or based on lactams and the polyamides obtainable by this method. | 12-23-2010 |
20110015434 | METHOD FOR PRODUCING DODECA-2,10-DIENE-1,12-DICARBOXYLIC ACID OR 1,12-DODECANE-DICARBOXYLIC ACID BY WAY OF RING-OPENING CROSS METATHESIS (ROCM) OF CYCLOOCTENE WITH ACRYLIC ACID - The invention relates to a method for producing 1,2-dodeca-2,10-diene diacid and 1,12-dodecanoic acid whereby cyclooctene and acrylic acid are reacted with a ruthenium catalyst by way of a metathesis reaction at high substrate concentrations until the reaction takes place in substance, the resulting unsaturated dicarboxylic acid being precipitated and being hydrated in a second reaction step. | 01-20-2011 |
20110039313 | METHOD FOR THE FERMENTATIVE PRODUCTION OF CADAVERINE - The invention relates to recombinant microorganisms in which polynucleotides which code for lysine decarboxylase are enhanced and, using which, cadaverine (1,5-diaminopentane) is produced fermentatively, with the carbon source used preferably being renewable raw materials such as, for example, glucose, sucrose, molasses and the like. | 02-17-2011 |
20110078920 | SWEAT-ABSORBING SHOE SOLE INSERTS HAVING IMPROVED SWEAT ABSORPTION - A method of improving perspiration absorbency in a shoe or boot using particulate amorphous silica as an absorbent in insoles for shoes and/or boots, as well as a shoe insole containing an absorbent which contains particulate amorphous silica, and footware containing the insole. | 04-07-2011 |
20120095161 | MOLDING COMPOUND ON THE BASIS OF A COPOLYAMIDE CONTAINING TEREPHTHALIC ACID AND TRIMETHYLHEXAMETHYLENE DIAMINE UNITS - A molding compound, containing at least 30% by weight of a copolyamide, which is derived from the following monomers: a) 50 to 95 mole percent of the combination of a diamine, selected from the group consisting of 1,9-nonane diamine, 1,10-decane diamine, 1,11-undecane diamine and 1,12-dodecane diamine, and terephthalic acid, and b) 5 to 50 mole percent of the combination of a diamine, selected from the group consisting of 2,2,4-trimethylhexamethylene diamine, 2,4,4-trimethylhexamethylene diamine, and mixtures thereof, and terephthalic acid. The copolyamide is crystalline and has low water absorption. | 04-19-2012 |
20120203033 | PREPARATION OF PRIMARY DIAMINES HAVING A LINEAR MAIN CHAIN FOR POLYAMIDE SYNTHESES - The invention provides a method to produce primary diamines by catalytic conversion of diols having a linear main chain of from 4 to 31 carbon atoms into the corresponding diamines. The reaction is conducted in a liquid or supercritical phase and is catalyzed by a homogeneous ruthenium-containing complex. The primary diamines obtained may be suitable for polyamide syntheses. | 08-09-2012 |
20120245375 | SYNTHESIS OF ALPHA,OMEGA-DICARBOXYLIC ACIDS AND ESTERS THEREOF FROM UNSATURATED FATTY ACID DERIVATIVES - A process for preparing an alpha, omega-dicarboxylic acid or an ester thereof, which includes (a) subjecting at least one unsaturated fatty acid or fatty acid derivative to ozonolysis to obtain an ozonolysis reaction mixture; and (b) oxidizing the ozonolysis reaction mixture with an oxidizing agent in the presence of an acid catalyst to obtain an oxidized reaction mixture comprising at least one alpha, omega-dicarboxylic acid or ester; wherein the process is performed using a solvent and the acid catalyst has a pKa of less than or equal to zero, as measured at 25° C. | 09-27-2012 |
20120315483 | POLYAMIDE-BASED POLYMER POWDER, USE THEREOF IN A MOLDING METHOD, AND MOLDED ARTICLES MADE FROM SAID POLYMER POWDER - The invention relates to a polymer powder for use in a layer-by-layer method in which areas of each powder layer are selectively fused by introducing electromagnetic energy. Said polymer powder contains: at least one AB-type polyamide produced by polymerizing lactams comprising 10 to 12 carbon atoms in the monomer unit or polycondensing the corresponding ω-amino carboxylic acids comprising 10 to 12 carbon atoms in the monomer unit and at least one AABB-type polyamide produced by polycondensing diamines and dicarboxylic acids, each of which comprises 10 to 14 carbon atoms in the monomer units, the AB-type polyamide containing up to 20 mole % of the AABB comonomer units and the AABB-type polyamide containing up to 20 mole % of the AB monomer units. The invention also relates to a method for producing such a powder, a layer-by-layer method for producing a molded article from such a powder in which areas of each layer are selectively fused by introducing electromagnetic energy, the selectivity being obtained using masks or by applying inhibitors, absorbers or susceptors or focusing the applied energy, and molded articles produced in said manner. | 12-13-2012 |
20130006005 | PROCESS FOR PREPARING LINEAR ALPHA,OMEGA-DICARBOXYLIC DIESTERS - The invention provides a process for preparing linear alpha,omega-dicarboxylic diesters by reacting a triglyceride containing fatty acid residues having monounsaturated or polyunsaturated carbon chains with carbon monoxide, an acid and an OH-group donor in one reaction step in the presence of a catalyst. | 01-03-2013 |
20130030109 | COMPOSITE FORMED FROM A POLYAMIDE MOULDING COMPOSITION AND A VULCANIZED ELASTOMER - In a composite component assembled from at least one component piece comprising a polyamide moulding composition with at least one component piece comprising a vulcanized elastomer, the polyamide moulding composition comprises at least 40% by weight of a mixture of the following constituents: a) 60 to 99 parts by weight of polyamide and b) 1 to 40 parts by weight of a graft copolymer obtainable using the following monomers: a) 0.5% to 25% by weight, based on the graft copolymer, of a polyamine having at least 4 nitrogen atoms and also β) 75% to 99.5% by weight, based on the graft copolymer, of polyamide-forming monomers selected from lactams, ω-amino carboxylic acids and/or equimolar combinations of diamine and dicarboxylic acid, wherein the parts by weight of a) and b) sum to 100. The presence of the graft copolymer effectuates improved adherence between the component pieces. | 01-31-2013 |
20130092228 | MULTILAYER FILM WITH OXYGEN PERMEATION BARRIER FOR THE PRODUCTION OF PHOTOVOLTAIC MODULES - A multilayered film and a photovoltaic module where the oxidation-sensitive solar cell is protected against ingress of oxygen provided. The solar cell is protected by the multilayer film as a back cover. The multilayer film comprises the following layers in direct succession: a solar cell-facing layer of a moulding composition comprising at least 70% by weight of EVOH, an adhesion promoter layer, a middle layer of a thermoplastic moulding composition, an optional adhesion promoter layer, and an outer layer comprising at least 35% by weight of polyamide. | 04-18-2013 |
20130092232 | MULTILAYER FILM HAVING POLYAMIDE AND POLYPROPYLENE LAYERS - Multilayer films of polyamide and polypropylene which have good layer adhesion and are suitable for a back cover of a solar module are provided. In a first embodiment, the multilayer film contains in the order listed: a) a layer containing at least 35% by weight, of polyamide; c) a layer containing at least 35% by weight of a polypropylene; and e) a layer containing at least 35% by weight, of polyamide; wherein the layer c) further comprises a polypropylene having acid anhydride groups or a polypropylene compatible functionalized polyolefin having functional groups to adhere the layer c) to each of layers a) and e). In a second embodiment adhesion promoter layers are present between the respective polyamide and polypropylene layers. | 04-18-2013 |
20130092233 | MULTILAYER FILM WITH POLYAMIDE AND POLYESTER LAYERS FOR THE PRODUCTION OF PHOTOVOLTAIC MODULES - A multilayer film containing layers of polyamide and polyester, suitable as a back cover for a photovoltaic module is provided. The film comprises, in the order listed: a) a layer which comprises at least 35% by weight of polyamide; c) a layer which comprises at least 35% by weight, of a thermoplastic polyester; and e) a layer which comprises at least 35% by weightof polyamide; wherein the layers a) and e) further comprise 0.1 to 60% by weight, of a polyamine-polyamide graft copolymer, or the layer c) further comprises 0.1 to 30% by weight of polyamine-polyamide graft copolymer. The polyamine-polyamide graft copolymer comprises as copolymerized monomers: a polyamine having at least 4 nitrogen atoms and at least one polyamide-forming unit selected from the group consisting of a lactam, an ω-aminocarboxylic acid and an equimolar combinations of a diamine and a dicarboxylic acid. In another embodiment, adhesion promoting layers are placed between the layers. | 04-18-2013 |
20130165685 | SYNTHESIS OF OMEGA-AMINO CARBOXYLIC ACIDS AND THEIR ESTERS FROM UNSATURATED FATTY ACID DERIVATIVES - The invention relates to a process for preparing omega-amino acids or their esters, which is characterized by the following steps:
| 06-27-2013 |
20130171388 | PROCESS FOR PRODUCING A MOULDING FROM A POLYAMIDE MOULDING COMPOSITION WITH IMPROVED HYDROLYSIS RESISTANCE - A process for producing hydrolysis-resistant mouldings with geometries having large dimensions by cumulative condensation of a polyamide moulding composition, is provided. The process includes mixing a polyamide moulding composition of a polyamide having at least 50% of amino end groups with 0.1 to 5% by weight, based on the polyamide moulding composition, of an oligo- or polycarbodiimide. The mixture is subsequently processed to give the moulding, wherein cumulative condensation is obtained during the processing of the moulding. | 07-04-2013 |
20130207050 | POLYAMIDE 12 COMPOSITION CONTAINING CARBON NANOTUBES - A polyamide composition contains the following components: (a) at least 40 parts by weight PA12; (b) 0.1-15 parts by weight of at least one salt with a non-metallic cation; (c) 0.1-25% by weight of at least one dispersant based on esters or amides; (d) a quantity of carbon nanotubes that produces in the moulding compound a specific surface resistance according to IEC standard 60167 of maximum 10 | 08-15-2013 |
20130240799 | POLYAMIDE COMPOSITION CONTAINING ELECTRICALLY CONDUCTIVE CARBON - A polyamide composition which provides moldings having a significantly reduced percolation threshold and an improved electrical conductivity is provided. The composition contains a) at least 40 parts by weight of a polyamide; b) from 0.15 to 25 parts by weight of an electrically conductive carbon; c) from 0.3 to 8 parts by weight of an oligofunctional compound; and, optionally, d) conventional auxiliaries and additives, wherein the electrically conductive carbon comprises at least one of carbon nanotubes and graphene, the oligofunctional compound comprises at least one functional group reactive with reactive groups on a surface of the electrically conductive carbon and at least one functional group reactive with an end group of the polyamide, and the sum of the parts by weight of the components a) to d) is 100. | 09-19-2013 |
20130284296 | WEAR INDICATOR SYSTEM FOR OFFSHORE CORROSION PROTECTION COVERING SYSTEMS - A corrosion protected metal pipe for installation in an offshore structure or for producing a pipeline laid in water is provided. The metal pipe has an at least two-layer covering on the pipe with a lower layer facing the pipe and an upper layer on a side of the lower layer not facing the pipe is provided. The layers are formed such that the lower layer is electrically conductive and the upper layer is electrically insulating, the lower layer is optically contrasting to the upper layer, or the lower layer is electrically conducting and optically contrasting to the upper layer and the upper layer is electrically insulating. Thus, in the event of damage to the layer or layers lying above, a visual or electrical signal can be detected. Damage to the corrosion protection covering can therefore be detected easily and, if appropriate, reported by remote monitoring. | 10-31-2013 |
20130287981 | COATED METALLIC ARTICLE - A method for coating of a metallic article is provided. According to the method, the metal surface is coated with a composition which comprises a polymer or comprises a two-component system that reacts to form a polymer following application to the metal surface. The composition comprises 70-2700 meq/kg olefinic double bonds which leads to stronger adhesion and to increased corrosion resistance. | 10-31-2013 |
20140037937 | POLYAMIDE BLEND FILM - A film whose outer layer is composed of a molding composition which is in essence composed of the following components:
| 02-06-2014 |
20140039210 | LIQUID CATION EXCHANGER - The invention relates to a method for removing an organic compound having one or more positive charges from an aqueous solution. Said method consists of the following steps a) the aqueous solution containing the organic compound, and a hydrophobic organic solution which contains a hydrophobic liquid cation exchanger having one or more negative charges and a negative total charge, are provided, b) the aqueous solution and the organic solution are brought into contact with each other and c) the organic solution is separated from the aqueous solution. | 02-06-2014 |
20140141478 | PROCESS FOR REACTING A CARBOXYLIC ACID ESTER - The invention provides a process for reacting a carboxylic acid ester of the formula (I) | 05-22-2014 |
20140178948 | PRODUCTION OF OMEGA-AMINO FATTY ACIDS - The invention provides a whole cell catalyst which expresses a recombinant α-dioxygenase or the combination of a recombinant fatty acid reductase and a phosphopantetheinyl transferase phosphopantetheinylating the fatty acid reductase, and which in addition to the α-dioxygenase and/or the combination of fatty acid reductase and phosphopantetheinyl transferase expresses a transaminase, characterized in that the phosphopantetheinyl transferase and/or transaminase is preferably recombinant; and a method for the conversion of a fatty acid, ω-hydroxy fatty acid, ω-oxo fatty acid or a monoester thereof to an amine, comprising oxidation of the fatty acid, ω-hydroxy fatty acid, ω-oxo fatty acid or the monoester thereof to an oxidation product by contacting with an alkane hydroxylase and/or alcohol dehydrogenase, contacting the oxidation product with a phosphopantetheinylated fatty acid reductase or a α-dioxygenase to give an aldehyde, and contacting the aldehyde with a transaminase. | 06-26-2014 |
20140186905 | BIOTECHNOLOGICAL SYNTHESIS PROCESS OF ORGANIC COMPOUNDS WITH THE AID OF AN ALKL GENE PRODUCT - Subject matter of the invention is a biotechnological process for the production of organic compounds with the aid of at least one alkL gene product. | 07-03-2014 |
20140249331 | PROCESS FOR PREPARING KETONES FROM EPOXIDES - A process for preparing a ketone by conversion of a compound E which contains an epoxy group to the ketone in the presence of a mixture comprising at least one noble metal and at least one metal oxide as a catalyst system, wherein the metal oxide in the catalyst system is at least one of titanium dioxide and zirconium dioxide, and the process is conducted at 0 to 0.9 bar of hydrogen. | 09-04-2014 |
20140256904 | BIOTECHNOLOGICAL SYNTHESIS PROCESS OF OMEGA-FUNCTIONALIZED CARBON ACIDS AND CARBON ACID ESTERS FROM SIMPLE CARBON SOURCES - The subject of the invention is a biotechnological process for the production of ω-functionalized carboxylic acids and of ω-functionalized carboxylate esters from simple carbon sources. | 09-11-2014 |
20150086737 | MOULDING COMPOUND BASED ON A PARTIALLY AROMATIC COPOLYAMIDE - A moulding composition, comprising at least 40 wt. % of the following components:
| 03-26-2015 |
20150086738 | MOULDING COMPOUND BASED ON A PARTIALLY AROMATIC COPOLYAMIDE - A moulding composition, comprising at least 40 wt. % of the following components:
| 03-26-2015 |