Class / Patent application number | Description | Number of patent applications / Date published |
528059000 |
From N=C=X reactant having at least two -C-NH-C(=X)- groups
| 76 |
528048000 |
Process of polymerizing in the presence of a specified material other than reactant
| 66 |
528085000 |
With reactant containing at least two -XH groups
| 52 |
528076000 |
With ether or thioether compound containing at least two -C-X-C- groups
| 35 |
528080000 |
With reactant compound containing at least two -C-C(=X)-X-C groups and which compound is devoid of C-NH, C=NH or C-N(H)-H groups
| 24 |
528068000 |
With organic compound reactant containing at least two NH, HNH or =NH groups and wherein the reactant composition is devoid of -C-XH, -C(=X)XH or anhydride
| 23 |
528067000 |
From two or more reactants containing -N=C=X groups
| 22 |
528073000 |
Reactant contains at least one heterocyclic ring
| 17 |
528075000 |
Reactant contains at least one ethylenically unsaturated group
| 13 |
528740500 |
Reactant which is a fatty acid glycerol ester, a fatty acid or salt derived from a naturally occurring glyceride, tall oil, or a fatty acid derived from tall oil
| 10 |
528072000 |
Reactant contains at least one phosphorus atom
| 6 |
528084000 |
With reactant containing at least two -C-C(=X)-X groups | 4 |
20100249361 | PROCESS FOR PRODUCTION OF POLYESTER COPOLYMERS AND A COMPOSITION INCORPORATING THE COPOLYMERS - There is disclosed a process for producing a polyester copolymer. The process comprises the step of condensating a hydroxyacid, a diol, a dicarboxylic acid and a functionalizing agent selected to form a prepolymer having a polyester copolymer backbone with arms comprising cross-linkable groups extending therefrom. The process also comprises the step of coupling said prepolymer in the presence of a coupling agent to cross link the arms of plural prepolymer backbones and thereby form said polyester copolymer comprising said plural straight chain polyester copolymers coupled to each other by said cross-linked arms. The polyester copolymer may be biodegradable and may be used as a modifier to increase the strength of polylactic acid. | 09-30-2010 |
20120123081 | OPTICAL MATERIAL PRODUCTION PROCESS, OPTICAL MATERIAL AND OPTICAL LENS - The present invention is a production process for an optical material using, as raw materials thereof, a compound (a), a compound (b), a compound (c), a compound (d) and a compound (e) as shown below, the process comprising the following steps 1 to 5:
| 05-17-2012 |
20140371418 | BIOLOGICAL SYNTHESIS OF P-AMINOBENZOIC ACID, P-AMINOPHENOL, N-(4-HYDROXYPHENYL)ETHANAMIDE AND DERIVATIVES THEREOF - The invention generally relates to biological engineering of microorganisms and production of chemical compounds therefrom. More particularly, the invention relates to novel genetically engineered microorganisms for the fermentative production of p-aminobenzoic acid and related compounds from fermentable carbon substrates. The biologically derived PABA and related compounds from fermentable carbon substrates can be used in a number of applications including as a food supplement or raw materials for the syntheses of other industrial chemicals or polymers. | 12-18-2014 |
20150133624 | Use of carbodiimide-containing compositions for controlling pot life - The invention relates to the use of carbodiimide-containing compositions for controlling pot life in the production of polyurethane (PU)-based systems, preferably PU elastomers, PU adhesives, PU casting resins or PU foams. | 05-14-2015 |
528045000 |
From at least one blocked -N=C=X group | 4 |
20110077375 | Functionalized particles - Functionalized particles having fully formed shells and cores comprising a polyurethane or polyurea matrix obtained by interfacial addition polymerisation of (i) at least one polyisocyanate derivative selected from the group of partially blocked polyisocyanates and polyisocyanates partially modified with fiber reactive groups and (ii) at least one polyamine or polyhydric alcohol, said functionalized particles being capable to chemically or physically bind to a substrate. | 03-31-2011 |
20110190468 | KIND OF BIODEGRADABLE POLYESTER AND ITS PREPARATION METHOD - The present invention relates to a kind of biodegradable polyester and its preparation method, which belongs to the field of biodegradable co-polyester product technology. The number-average molecular weight of the biodegradable polyester material under this invention is 6000-135000 g/mol, the molecular weight distribution is 1.2-6.5, and the range of crystallization temperature is 15° C.-105° C., which could overcome the disadvantages of existing technical products and can be processed into membrane materials, sheet materials and foam materials. During processing, the picking property will be dramatically changed with the appearance quality improved; after heat resistance is improved, this new type of polyester material could also be applied to the processing course with long cycles, for example, the injection processing course, and the biodegradable aliphatic/aromatic polyester materials provided by this invention has excellent mechanical properties. | 08-04-2011 |
20110288258 | CROSSLINKED POLYAMIDE - A process for crosslinking polyamide comprises a diisocyanate or a diacyl halide being reacted with a lactam A at a temperature of from (−30) to 150° C. and next reacting with a lactam B, a catalyst and an activator at a temperature of from 40 to 240° C. | 11-24-2011 |
20150051365 | 2-OXO-1,3-DIOXOLANE-4-CARBOXAMIDES, THEIR PREPARATION AND USE - The present invention suggests 2-oxo-1,3-dioxolane-4-carboxamides of formula (I), | 02-19-2015 |
528071000 |
Reactant contains at least one salt group, e.g., quaternary ammonium salt, etc. | 3 |
20110112269 | POLYMERIZABLE COMPOSITION FOR POLYTHIOURETHANE OPTICAL MATERIAL, POLYTHIOURETHANE OPTICAL MATERIAL OBTAINED FROM THE POLYMERIZABLE COMPOSITION, AND POLYMERIZATION CATALYST FOR POLYTHIOURETHANE OPTICAL MATERIAL - The polymerizable composition for a polythiourethane optical material of the present invention includes (A) a polymerization catalyst for a polythiourethane optical material, (B) at least one compound selected from an isocyanate compound and an isothiocyanate compound, and (C) a compound containing one or more mercapto groups, wherein said polymerization catalyst for a polythiourethane optical material (A) includes (a1) a zinc compound, (a2) a compound represented by the following general formula (1), and (a3) a sulfonic acid represented by the following general formula (2): | 05-12-2011 |
20110118431 | Accelerated Cure of Isocyanate Terminated Prepolymers - A prepolymer mixture for preparing a polyurethane elastomer, the mixture comprising an isocyanate terminated prepolymer and a nitrogen-containing organic salt. The nitrogen-containing organic salt may be selected from the group consisting of an ammonium salt, an imidazolium salt, a pyridinium salt, a pyrrolidinium salt, a piperidinium salt, and a morpholinium salt. | 05-19-2011 |
20140194588 | Accelerated Cure of Isocyanate Terminated Prepolymers - A method for preparing a polyurethane elastomer, the method comprising mixing an isocyanate terminated prepolymer and a nitrogen-containing organic salt to form a prepolymer mixture and reacting the prepolymer in the prepolymer mixture with a methylenedianiline metal salt coordination complex chain extender to form the polyurethane elastome. The nitrogen-containing organic salt is selected from the group consisting of an ammonium salt, an imidazolium salt, a pyridinium salt, a pyrrolidinium salt, a piperidinium salt, and a morpholinium salt. | 07-10-2014 |
528069000 |
Reactant contains a single -N=C=X group | 3 |
20090247722 | CYCLIC ALKYLENE CARBONATE-DERIVED ISOCYANATE-TERMINATED PREPOLYMERS, METHOD FOR THEIR PREPARATION AND THEIR USE - The present invention pertains to isocyanate-terminated prepolymers prepared from cyclic alkylene carbonates, the method for preparing the same and the use thereof in preparing polyurethanes, polyureas, polyurethane elastomer, and polyurethane mouldings. The incorporation of cyclic alkylene carbonates into the isocyanate-terminated prepolymers of the present invention improves their liquid stability at low temperatures while maintaining their physical properties. | 10-01-2009 |
20120142883 | 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. | 06-07-2012 |
20140005349 | POLYISOBUTYLENES AND PROCESS FOR MAKING SAME | 01-02-2014 |
528070000 |
Reactant contains a fluorine atom | 2 |
20080293910 | ADHESIVE FORMULATIIONS - The disclosure relates to biocompatible components useful for forming compositions for use as medical/surgical synthetic adhesives and sealants. Biocompatible components of the present disclosure may include a multifunctional amine or multifunctional polyol core, with isocyanate and/or polyalkylene oxide arms, which may optionally be capped with electrophilic or nucleophilic groups. These biocompatible components may, in embodiments, be combined with optional cross linkers to form adhesive and/or sealant compositions. | 11-27-2008 |
20130261280 | 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. | 10-03-2013 |
Entries |
Document | Title | Date |
20080214769 | Polyurethanes with an Asker C-Hardness of Between 1 and 70 - Process for preparing polyurethanes having an Asker C hardness of from 1 to 70 by reacting (a) isocyanates with (b) compounds which are reactive toward isocyanates, wherein (b | 09-04-2008 |
20090048417 | Biodegradable Shower Mat - A biodegradable shower mat has been disclosed. | 02-19-2009 |
20090124783 | DEFORMABLE SOFT MOLDING COMPOSITIONS - A curable composition and method for producing a tear resistant, yet soft and deformable in-the-ear product yielding the user greater comfort and durability. The curable composition incorporated into a hearing aid apparatus provides a deformable, yet tear resistant housing, which may be mated to a soft tip component. The hearing aid housing provides better comfort, durability and acoustic performance for a variety of ear canal shapes. The curable composition that provides these properties includes at least one urethane acrylate oligomer, at least one reactive diluent and a cure system. The composition when cured desirably produces a tear strength of at least about 75 pli and a hardness of about Shore A 60 to about 75. | 05-14-2009 |
20090156777 | Freeze-stable aromatic diisocyanates and processes for the preparation of these freeze-stable products - This invention relates to freeze-stable aromatic diisocyanates, an to processes for the preparation of these freeze-stable aromatic diisocyanates. The preferred aromatic diisocyanate is preferably diphenylmethane diisocyanate. These freeze-stable aromatic diisocyanates comprise a blend of an aromatic diisocyanate, with 2,2,4-trimethyl-1,3-pentanediol diisobutyrate, and have an NCO group content of from about 6% to about 29% by weight. Suitable aromatic diisocyanates contain one or more of the following modifying groups: allophanate groups, carbodiimide groups, uretonimine groups, biuret groups, dimer groups, isocyanurate groups, urea groups and/or urethane groups. Prepolymers of these modified aromatic diisocyanates are also suitable for the present invention. | 06-18-2009 |
20100130715 | REACTIVE AMINE CATALYSTS FOR POLYURETHANE FOAM - A process for the separation of a first amine having a tertiary amine group and a secondary amine group such as N,N,N′-trimethylbis(aminoethyl)ether from a di-tertiary amine such as N,N,N′,N′-tetramethylbis(aminoethyl)ether, comprising: contacting a mixture of the first amine and the di-tertiary amine with a carbonyl compound capable of forming an enamine such that the carbonyl compound reacts with the first amine to form an enamine; separating the enamine from the di-tertiary amine; and subsequently converting the enamine to the first amine. | 05-27-2010 |
20100184937 | Polymer Derivatives with Proximal Reactive Groups - An activated, substantially water-soluble polyoxazoline is provided having a linear or branched poly(ethylene glycol) backbone and at least one terminus linked to the backbone through a hydrolytically stable linkage, wherein the terminus is branched and has proximal reactive groups. The free reactive groups are capable of reacting with active moieties in a biologically active agent such as a protein or peptide thus forming conjugates between the activated polyoxazoline and the biologically active agent. | 07-22-2010 |
20100227997 | METHOD FOR PREPARING ISOCYANATE ADDUCTS - The present invention provides a process for working up isocyanate adducts, comprising the steps of
| 09-09-2010 |
20100292429 | Method for Fermentatively Producing 1,5-Diaminopentane - The invention relates to a method for isolating 1,5-diaminopentane (DAP) from DAP-containing fermentation broths, to a method for the fermentative production of DAP using said isolating method and to a method for producing DAP-comprising polymers by using the DAP isolated or fermatively produced DAPs according to said methods. | 11-18-2010 |
20100311936 | HIGH THERMAL CONDUCTIVITY MATERIALS WITH GRAFTED SURFACE FUNCTIONAL GROUPS - In one embodiment the present invention provides for high thermal conductivity materials | 12-09-2010 |
20110224395 | PROCESS FOR MANUFACTURING ISOCYANATES - The present invention relates to a process for manufacturing isocyanates from an amine compound. The process comprises the steps of
| 09-15-2011 |
20120130039 | CURABLE COMPOSITIONS THAT FORM A POLYUREA DEMONSTRATING ELONGATION PROPERTIES OVER A LARGE TEMPERATURE RANGE - Curable compositions are provided comprising:
| 05-24-2012 |
20130184426 | MIXTURE COMPRISING SULFONATE GROUP-CONTAINING COMPOUND AND METHOD OF MANUFACTURING THE SAME, SOLUTION COMPOSITION, POLYURETHANE RESIN AND METHOD OF MANUFACTURING THE SAME, AND MAGNETIC RECORDING MEDIUM - An aspect of the present invention relates to a mixture of a sulfonate group-containing compound denoted by general formula (1) with a protonic acid: | 07-18-2013 |