| 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
| 61 |
| 528048000 |
Process of polymerizing in the presence of a specified material other than reactant
| 36 |
| 528085000 |
With reactant containing at least two -XH groups
| 35 |
| 528076000 |
With ether or thioether compound containing at least two -C-X-C- groups
| 16 |
| 528067000 |
From two or more reactants containing -N=C=X groups
| 13 |
| 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
| 13 |
| 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
| 11 |
| 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
| 9 |
| 528073000 |
Reactant contains at least one heterocyclic ring
| 8 |
| 528075000 |
Reactant contains at least one ethylenically unsaturated group
| 8 |
| 528045000 |
From at least one blocked -N=C=X group | 3 |
| 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 |
| 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 |
| 528072000 |
Reactant contains at least one phosphorus atom | 3 |
| 20100036081 | Diamine Compound Having Phosphorylcholine Group, Polymer Thereof, and Process for Producing the Polymer - Highly polymerizable diamine compounds having a phosphorylcholine group are disclosed. High-molecular weight polymers are obtained from the highly polymerizable diamine compound having a phosphorylcholine group as a monomer, and the polymers have improved mechanical strength, water resistance and heat resistance while maintaining excellent biocompatibility and processability of MPC polymers. Processes for producing the polymers are disclosed. The diamine compounds having a phosphorylcholine group are represented by Formula (I). The polymers contain at least 1 mol % of a specific structural unit with a phosphorylcholine group represented by Formula (II) and have a number average molecular weight of not less than 5,000. In the processes, the diamine compound is used as a monomer. | 02-11-2010 |
| 20100216966 | SYNTHESIS OF ACYLUREAS AND COMPOSITION COMPRISING ACYLUREAS - The invention relates to a method for the synthesis of a polyisocyanate composition comprising acylureas. According to the invention, an initial composition containing derivatives comprising at least two isocyanate functions is subjected to the action of at least two acids, whereby at least one of said acids is a strong acid (pKa=3) and at least one is a medium strength acid (3=pKa=6), at a temperature that is equal to or greater than 50° C.; the invention is suitable for coatings. | 08-26-2010 |
| 20120088895 | CURABLE COMPOSITIONS AND METHODS OF CATALYZING CHEMICAL REACTIONS - Methods of catalyzing chemical reactions are provided. A tri-substituted phosphine having at least one substituent that is an alkyl group is added as a catalyst to reaction mixtures. Reaction mixtures contain uretdiones, anhydrides, or isocyanate functional materials including isocyanurates, in various combinations with hydroxyl, thiol, and/or amine functional materials. Curable compositions comprising these catalysts and reaction mixtures are also provided. | 04-12-2012 |
| 528069000 |
Reactant contains a single -N=C=X group | 2 |
| 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 |
| 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 |
| 528071000 |
Reactant contains at least one salt group, e.g., quaternary ammonium salt, etc. | 2 |
| 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 |
| 528084000 |
With reactant containing at least two -C-C(=X)-X groups | 2 |
| 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 |
| 528070000 |
Reactant contains a fluorine atom | 1 |
| 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 |
| Entries |
| Document | Title | Date |
|---|
| 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 |
| 20120130039 | CURABLE COMPOSITIONS THAT FORM A POLYUREA DEMONSTRATING ELONGATION PROPERTIES OVER A LARGE TEMPERATURE RANGE - Curable compositions are provided comprising:
| 05-24-2012 |
| 20090048417 | Biodegradable Shower Mat - A biodegradable shower mat has been disclosed. | 02-19-2009 |
| 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 |
| 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 |
| 20100227997 | METHOD FOR PREPARING ISOCYANATE ADDUCTS - The present invention provides a process for working up isocyanate adducts, comprising the steps of
| 09-09-2010 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
