| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 528288000 | Nitrogen-containing reactant | 35 |
| 20120184707 | PROCESS FOR PREPARING A POLYMER POLYOL - The invention relates to a process for preparing a polymer polyol, comprising mixing in a reactor vessel, a base polyol, one or more ethylenically unsaturated monomers, a polymerization initiator, optionally a macromer, and optionally a chain transfer agent, and polymerizing the mixture thus obtained at a temperature of 50 to 200° C., wherein after discharging the reactor vessel content, the interior surface of the reactor vessel walls and/or any internals present in the reactor vessel are blasted with round media. | 07-19-2012 |
| 20100160595 | PERFLUOROPOLYETHER URETHANE ADDITIVES HAVING (METH)ACRYL GROUPS AND HARD COATS - Fluorocarbon- and urethane-(meth)acryl-containing additives and hardcoats. The hardcoats are particularly useful as a surface layer on an optical device. | 06-24-2010 |
| 20110077379 | TITANIUM-BASED CATALYST SHOWING EXCELLENT ACTIVITY AND SELECTIVITY IN POLYCONDENSATION REACTIONS - Method for producing polyesters using titanium atrane catalysts is disclosed. Also disclosed are methods for making the titanium atrane catalysts of the present invention. The titanium atrane catalysts are useful as esterification and/or polycondensation catalysts, have similar activity, color and byproduct formation as conventional catalyst systems, but with reduced toxicity and regulatory concerns. | 03-31-2011 |
| 20120277400 | Modified Polyesters and Processes for Manufacturing the Same - Disclosed herein are processes for manufacturing modified polyesters. An esterification reaction of diacid, diol and a branching agent having at least three carboxyl groups is carried out at a temperature of about 180 to 300° C. and a pressure of about 1 to 4 bar to obtain a product of esterification. A polycondensation reaction of the product of esterification and a diamine is carried out at a pressure below about 0.01 bars to obtain the modified polyester. | 11-01-2012 |
| 20100190952 | METHOD FOR THE PRODUCTION OF POLYAMIDES IN EXTRUDERS - In a process for preparing a polyamide based on dicarboxylic acids and diamines in an extruder, a solid mixture comprising a monomer mixture composed of 50 mol % of dicarboxylic acid mixture composed of from 60 to 88 % by weight of terephthalic acid and from 12 to 40% by weight of isophthalic acid, in which up to 20% by weight of the dicarboxylic acid mixture may also be replaced by other dicarboxylic acids, and 50 mol % of hexamethylenediamine which may be up to 20% by weight replaced by other C | 07-29-2010 |
| 20100317822 | Production of Adipic Acid and Derivatives from Carbohydrate-Containing Materials - The present invention generally relates to processes for the chemocatalytic conversion of a carbohydrate source to an adipic acid product. The present invention includes processes for the conversion of a carbohydrate source to an adipic acid product via a furanic substrate, such as 2,5-furandicarboxylic acid or derivatives thereof. The present invention also includes processes for producing an adipic acid product comprising the catalytic hydrogenation of a furanic substrate to produce a tetrahydrofuranic substrate and the catalytic hydrodeoxygenation of at least a portion of the tetrahydrofuranic substrate to an adipic acid product. The present invention also includes products produced from adipic acid product and processes for the production thereof from such adipic acid product. | 12-16-2010 |
| 528289000 | Final product contains nitrogen atom as a member of a heterocyclic ring | 16 |
| 20090018305 | TRIAZINE DERIVATIVE, LIQUID CRYSTAL COMPOSITION, ANISOTROPIC MATERIAL, AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A triazine derivative represented by formula (I) below: | 01-15-2009 |
| 20100105860 | PROCESS FOR THE SYNTHESIS OF ETHERS OF AROMATIC ACIDS - Ethers of aromatic acids are produced from halogenated aromatic acids in a reaction mixture containing a copper (I) or copper (II) source and a diamine ligand that coordinates to copper. | 04-29-2010 |
| 20090124786 | Pyroglutamic Acid Esters With Improved Biodegradility - The invention relates to compounds of formula (1) in which is a C | 05-14-2009 |
| 20090306329 | NOVEL ESTER GROUP-CONTAINING TETRACARBOXYLIC ACID DIANHYDRIDE, NOVEL POLYESTERIMIDE PRECURSOR DERIVED THEREFROM, AND POLYESTERIMIDE - Provided are a polyimide that demonstrates low coefficient of hygroscopic expansion and low water absorption coefficient when used as an insulation film, as well as an ester group-containing tetracarboxylic acid dianhydride expressed by the general formula below, and a novel polyesterimide precursor derived therefrom and polyesterimide, for use in the production of such polyimide: | 12-10-2009 |
| 20100280215 | NITROUS BRIDGED DERIVATIVES OF 6H-DIBENZ[C,E][1,2]-OXAPHOSPHORINE-6-OXIDES, PROCESS FOR THE PREPARATION AND USE THEREOF - The invention refers to nitrous bridged derivatives of 6H-dibenz[c,e][1,2]-oxaphosphorine-6-oxides, a process for the preparation thereof and their use as flameproofing agents for polymers such as polyesters, polyamides, polycarbonates, polystyrenes, polyethylene, polypropylene, phenolic and epoxy resins. The derivatives have the Formulae I or II: | 11-04-2010 |
| 20090182114 | TETRACARBOXYLIC ACID COMPOUND, POLYIMIDE THEREOF, AND PRODUCTION METHOD THEREOF - Disclosed is a novel tetracarboxylic acid compound having excellent characteristics such as high transparency, low dielectric property, low water absorption, low thermal expansion, solvent solubility and etching characteristics, while exhibiting high heat resistance at the same time. This tetracarboxylic acid compound is useful as a raw material monomer for producing a polyesterimide or a polyamideimide. Specifically disclosed is a tetracarboxylic acid compound represented by the general formula (1) or (2) below. | 07-16-2009 |
| 20100204433 | THERMOSETTING RESIN HAVING BENZOXAZINE STRUCTURE AND METHOD FOR PRODUCING THE SAME - The present invention provides a thermosetting resin having a benzoxazine ring structure represented by the following formula (I): | 08-12-2010 |
| 20110086999 | THIAZOLOTHIAZOLE COMPOUND AND THIAZOLOTHIAZOLE POLYMER - The invention provides a thiazolothiazole compound represented by the following Formula (I). In Formula (I), Ar | 04-14-2011 |
| 20110137008 | HIGH STRENGTH POLYIMIDE MEMBRANE AND METHOD FOR FORMING THE SAME - The present invention discloses a polyimide membrane synthesized by one or more emeraldine amine-capped aniline trimer oligomer, one or more dianhydride, and an optional diamine, whereby the weight-average molecular weight of the polyimide membrane ranges from 50,000 to 200,000, and the Yung's Modulus of the polyimide membrane is equal to or more than 3 GPa. | 06-09-2011 |
| 20080300380 | Solid polymer electrolyte, method for manufacturing the same and use thereof - The present invention mainly relates to a solid electrolyte of fully conjugated, water-soluble rigid-rod polymer with articulated backbone for isotropic ionic conductivity. The present invention further provides a design and a method for synthesizing the solid electrolyte as described above. A battery, fuel cell or super-capacitor comprising the solid electrolyte is also provided. | 12-04-2008 |
| 20110065892 | PROCESS FOR THE SYNTHESIS OF FLUORINATED ETHERS OF AROMATIC ACIDS - Fluorinated ethers of aromatic acids are produced from halogenated aromatic acids in a reaction mixture containing a copper (I) or copper (II) source and an amino acid ligand that coordinates to copper. The fluorinated ethers of aromatic acids made using the process described herein can be applied to, e.g., fibers, yarns, carpets, garments, films, molded parts, paper and cardboard, stone, and tile to impart soil, water and oil resistance. By incorporating the fluorinated ethers of aromatic acids, or diesters thereof, into polymer backbones, more lasting soil, water and oil resistance, as well as improved flame retardance, can be achieved. | 03-17-2011 |
| 20110065891 | POLYTHIOETHERIMIDES AND METHOD FOR PRODUCING THEREOF - Polythioetherimides and a producing method thereof. The method is comprised of using monosubstituted phthalic anhydride isomer as raw material, reacting it with disubstituted amine to produce disubstituted phthalimide, allowing coupling reaction between the obtained phthalimide and an alkali metal sulfide or sulfur to produce polythioetherimides. | 03-17-2011 |
| 20120232242 | THIAZOLOTHIAZOLE COMPOUND AND THIAZOLOTHIAZOLE POLYMER - The invention provides a thiazolothiazole compound represented by the following Formula (I). In Formula (I), Ar | 09-13-2012 |
| 20120214960 | POLYESTER RESIN AND TONER COMPRISING SAME - The present invention relates to a polyester resin prepared by adding an anti-hydrolysis agent to a reactant comprising an acid selected from an alkylester of aromatic dibasic acid or a mixture of an alkylester of aromatic dibasic acid and an alkylester of aliphatic dibasic acid, an aromatic diol and an aliphatic diol; and a toner produced by using the same as a binder resin. | 08-23-2012 |
| 20100121020 | 3.3'-Diamino-5,5'-Diphenyl-4,4'-Biphenyldiol and Raw Material Thereof as Well as Polybenzoxazole - The invention provides 3,3′-diamino-5,5′-diphenyl-4,4′-biphenyldiol which is useful as a monomer for a high-performance polymer, particularly a polymer satisfying performances highly required in the semiconductor field such as polybenzoxazole, polyimide or the like and 3,3′-dinitro-5,5′-diphenyl-4,4′-biphenyldiol as a raw material thereof. Also, the invention provides a polybenzoxazole having a repeating unit represented by the following formula (1): | 05-13-2010 |
| 20110160423 | PURIFICATION METHOD OF POLYAMIC ACID RESIN AND POLYIMIDE RESIN - Purification methods of polyamic acid resin and polyimide resin are provided. The purification methods of polyamic acid resin or polyimide resin includes providing a polyamic acid resin or a polyimide resin containing metal ion impurities. Thereafter, a cation exchange resin is used to react with the polyamic acid resin or the polyimide resin in order to remove the metal ion impurities therein, and a water content in the polyamic acid resin or the polyimide resin is removed to purify the polyamic acid resin or polyimide resin. | 06-30-2011 |
| 528290000 | Sulfur-containing reactant | 3 |
| 20110301323 | ALKOXYLATION PROCESSES AND CATALYSTS THEREFOR - A process of contacting an alkylene oxide with 2-methoxy-1-propanol (PM1) in the presence of an oligomeric Schiff base metal complex catalyst is disclosed. Further, a process involving contacting an alkylene oxide with an alkyl alcohol using an oligomeric Schiff base metal complex as a catalyst is also disclosed. Additionally, novel compositions which can be used as catalysts in processes involving the contacting of an alkyl alcohol with an alkylene oxide are also disclosed. | 12-08-2011 |
| 20100099839 | FLUORINATED POLYOXYALKYLENE GLYCOL DIAMIDE SURFACTANTS - A fluorinated polyoxyalkylene glycol diamide surfactant of formula 1 | 04-22-2010 |
| 20120071626 | FLUORINATED AROMATIC BIS(ACYL)-CONTAINING COMPOUNDS AND POLYESTERS PREPARED THEREFROM - A fluorinated bis(acyl)-containing compound of Formula (I), where R | 03-22-2012 |
| 528291000 | Nitrogen-containing polyhydroxy compound or salt of a nitrogen-containing polyhydroxy compound | 4 |
| 20130030145 | BIOMASS-RESOURCE-DERIVED POLYESTER AND PRODUCTION PROCESS THEREOF - The present invention provides a resin capable of contributing greatly to solve environmental problems and problems related to exhaustion of fossil fuel resources and having physical properties suited for practical use. | 01-31-2013 |
| 20090082542 | NOVEL POLYMERS, USES AND METHODS OF MANUFACTURE THEREOF - A polymer having a number average molecular weight (Mn) of about 10 000 g/mol comprising a monomeric rigid moiety R and a monomeric flexible moiety F, wherein R comprises a main-chain polycyclic core and F has a main chain comprising a number of atoms sufficient for the transition temperature of the polymer to be lower than the degradation temperature of the polymer is provided. A method of manufacturing of same is also provided. Biomedical devices, scaffolds and supports for tissue engineering, delivery devices, textiles, moulds, vehicle parts, tubes, active disassembly devices, microactuators, toys and inflatable membranes comprising same are also described. | 03-26-2009 |
| 20080221298 | Fluorinated Diamine and Polymer Made from the Same - A fluorine-containing diamine represented by the formula (1), [Chemical Formula 29] | 09-11-2008 |
| 20120065356 | POLYESTER RESIN, METHOD OF PRODUCING THE RESIN, AND MOLDING PRODUCT - Provided are a novel polyester resin that can be used for producing a molding product excellent in heat resistance, and a method of producing the polyester resin. The polyester resin includes: structural units represented by the following formulae (1) and (2): | 03-15-2012 |
| 528292000 | Nitrogen-containing polycarboxylic acid or nitrogen-containing polycarboxylic acid derivative | 6 |
| 20100041857 | INSITU SYNTHESIS OF ESTER-AMIDE-CONTAINING MOLECULES - The invention is directed to a method and product produced for directly synthesizing polyesteramides and copolyesteramides, especially self-assembling copolyesteramides, useful for manufacturing self-assembling materials. | 02-18-2010 |
| 20110003963 | METHOD FOR THE PRODUCTION OF DIPICOLINATE - The present invention relates to a novel method for the fermentative production of dipicolinate by cultivating a recombinant microorganism expressing an enzyme having dipicolinate synthetase activity. The present invention also relates to corresponding recombinant hosts, recombinant vectors, expression cassettes and nucleic acids suitable for preparing such hosts as well as a method of preparing polyester or polyamide copolymers making use of dipicolinate as obtained by fermentative production. | 01-06-2011 |
| 20110015367 | UNSATURATED POLY(ESTER-AMIDE) AND POLY(ETHER ESTER AMIDE) BIOMATERIALS - Functionalized poly(ester-amides) and poly(ether ester amides) polymers having the structural formula: | 01-20-2011 |
| 20100093971 | COPOLYESTERAMIDES WITH DECREASED PERFECTION OF THE AMIDE SEQUENCE - Polyesteramides prepared from decreased perfection diamide diester monomers. The polymers exhibit improved physical properties. | 04-15-2010 |
| 20110034663 | COPOLYMERS WITH AMORPHOUS POLYAMIDE SEGMENTS - The invention, in one aspect, is a copolymer comprising amorphous polyamide hard segments, which contain 1-methyl-2,4-phenylene, 1-methyl-2,6-phenylene, or mixtures thereof structure units. The structure characteristics of 1-methyl-2,4-phenylene, 1-methyl-2,6-phenylene, or mixtures thereof render the hard segments having glass transition temperatures below 200° C. while maintaining physical properties required for making molded articles. | 02-10-2011 |
| 20120226013 | BIOCOMPATIBLE POLYMERS FOR MEDIAL DEVICES - The present invention relates to new classes of monomeric compounds, which may be polymerized to form novel biodegradable and bioresorble polymers and copolymers. These polymers and co-polymers, while not limited thereto, may be adapted for radio-opacity and are useful for medical device applications and controlled release therapeutic formulations. | 09-06-2012 |
