| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 528075000 | Reactant contains at least one ethylenically unsaturated group | 13 |
| 20080214771 | Polyacylurethanes Based on Diisocyanates and Polyesterpolyols - The present invention relates to a polyacylurethane having the following general formula (I) and a process for the preparation of such polyacylurethane. Preferred embodiments of the polyacylurethanes according to the invention have elastomeric properties. The polyacylurethanes can suitable be used in biodegradable, biocompatible and/or biomedical devices. | 09-04-2008 |
| 20080227945 | Polyurethane Based Pigment Dispersants Which Contain Reactive Double Bonds - Polymeric urethane dispersants with solubilizing polymer chains and with reactive carbon to carbon double bonds are described. The reactive double bonds facilitate molecular weight build-up of the dispersant on dispersed particles (enhancing colloidal stability) or enhance the ability of the dispersants to be crosslinked into a matrix material. | 09-18-2008 |
| 20080249279 | Acid Groups-Containing Polyurethane Resins - Water-dilutable polyurethane resins with acid groups, wherein the polyurethane resins contain units derived from oils A which are at least partly unsaturated, from olefinically unsaturated aliphatic acids B or anhydrides B′ thereof, from compounds C having functional groups which are reactive towards acid groups or acid anhydride groups, selected from the group consisting of epoxide groups, hydroxyl groups, mercaptan groups and amino groups, and which react in the reaction with the compounds B or B′ to form an ester group, a thioester group or an acid amide group, where the compounds C are selected from the group consisting of compounds C″ which additionally contain sulfonic acid groups, or carboxylic acid groups which are activated by electron-withdrawing substituents, and compounds C′ which additionally contain at least one hydroxyl group which is retained during the reaction with the compounds B or B′, and where at least a mass fraction of 25% of the compounds C consists of compounds C″, and polyfunctional isocyanates D, a process for their preparation, their use as catalysts in the curing of binders containing hydroxyl groups with aminoplast resins, and stoving paints which contain these catalysts | 10-09-2008 |
| 20100137548 | PROCESS FOR TRANSFORMING THE END GROUPS OF POLYMERS - The present invention is directed to a process for the cleavage of one or more starting polymers having thiocarbonylthio groups of the formula (I) into derived polymers in which the —S—(C═S)— group is transformed. The process includes contacting the starting polymer containing groups Y | 06-03-2010 |
| 20100179298 | Polyisobutylene-Based Polyurethanes - An elastomeric polymer, comprising (1) a hard segment in the amount of 10% to 60% by weight of the elastomeric polymer, wherein the hard segment includes a urethane, urea or urethaneurea; and (2) a soft segment in the amount of 40% to 90% by weight of the elastomeric polymer. The soft segment comprises (a) at least 2% by weight of the soft segment of at least one polyether macrodiol, and/or at least one polycarbonate macrodiol; and (b) at least 2% by weight of the soft segment of at least one polyisobutylene macrodiol and/or diamine. | 07-15-2010 |
| 20100234554 | Polyamide-Imide Resin, Process for Production of Polyamide Resin, and Curable Resin Composition - A process for production of a polyamide resin having a reactive double bond, the process comprising a step of reacting a carboxylic acid and a diisocyanate to produce a polyamide resin, wherein the carboxylic acid component includes a carboxylic acid with a reactive double bond. | 09-16-2010 |
| 20100280212 | POLYMER DISPERSIONS IN POLYESTER POLYOLS - The present invention relates to polymer dispersions in polyester polyols, a process for producing them and their use for the production of polyurethanes, in particular microcellular polyurethanes. These polyester polyols have sulfur atoms and are free of olefinically unsaturated groups. | 11-04-2010 |
| 20130005936 | NOVEL CASTOR OIL DERIVATIVES AND METHOD FOR THE PRODUCTION THEREOF - Novel compounds of formula (1) wherein: A is especially a linear or branched divalent alkylene radical having between 1 and 10 carbon atoms, and Y is especially a hydrogen atom. | 01-03-2013 |
| 20130079487 | POLYISOBUTYLENE-BASED POLYURETHANES - An elastomeric polymer, comprising (1) a hard segment in the amount of 10% to 60% by weight of the elastomeric polymer, wherein the hard segment includes a urethane, urea or urethaneurea; and (2) a soft segment in the amount of 40% to 90% by weight of the elastomeric polymer. The soft segment comprises (a) at least 2% by weight of the soft segment of at least one polyether macrodiol, and/or at least one polycarbonate macrodiol; and (b) at least 2% by weight of the soft segment of at least one polyisobutylene macrodiol and/or diamine. | 03-28-2013 |
| 20140194589 | WATER-DISPERSIBLE AMPHOTERIC POLYURETHANE, PREPARATION METHOD THEREFOR, AND USE THEREOF IN REINFORCING CONCRETE - A water-dispersible amphoteric polyurethane and a preparation method therefor. The water-dispersible amphoteric polyurethane is prepared from a polyisocyanate compound, a polyol compound, a dial compound having an anionic group or a potential anionic group, a compound having a tertiary or quaternary amine cationic group at least having two active H functional groups and a polyamine compound having a polyoxyethylene group. During preparation, the feeding order of the dial compound and the compound having a tertiary or low-molecular quaternary amine cationic group is controlled, and then neutralization and chain extension are performed, to obtain the target product. Also disclosed is a use of the water-dispersible amphoteric polyurethane in reinforcing concrete, wherein the water-dispersible amphoteric polyurethane is present in an amount of 0.1% to 5%, based on the total weight of the concrete. | 07-10-2014 |
| 20140296470 | RESIN MATERIAL AND PROTECTIVE FILM - Disclosed is a resin material which is formed by polymerization of an acrylic resin containing a side chain having a hydroxyl group and a side chain having a fluorine atom, at least one kind of polyol having a weight-average molecular weight from 300 to 5000 and selected from compounds represented by the following Formula (A), and an isocyanate. | 10-02-2014 |
| 20150105530 | CHAIN EXTENDERS - The present invention relates to chain extenders, processes for their preparation and their use in the preparation of biocompatible biodegradable polyurethanes and polyurethane ureas for biomedical applications such as stents, scaffolds for tissue engineering. | 04-16-2015 |
| 20180022848 | (METH)ACRYLATE-FUNCTIONALIZED EXTENDED ISOSORBIDE | 01-25-2018 |
