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Class Information
Number: 528/85
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > From reactant having at least one -n=c=x group (wherein x is a chalcogen atom) as well as precursors thereof, e.g., blocked isocyanate, etc. > With reactant containing at least two -xh groups
Description: Subject matter wherein a material containing two or more -N=C=X (X is chalcogen) groups is reacted with a compound having two or more -XH groups.










Patents under this class:

Patent Number Title Of Patent Date Issued
8710166 Shape memory polymers formed by self-crosslinking of copolymers Apr. 29, 2014
8703848 Blends of micronized polyphenylene ether and thermoplastic polyurethanes blend Apr. 22, 2014
8702899 Dryblend process for preparing high-reactivity polyurethane compositions containing uretdione groups Apr. 22, 2014
8686107 Polycarbonate diol Apr. 1, 2014
8686103 Water borne coating composition containing thiol functional compounds Apr. 1, 2014
8686057 Polyurethanes made from hydroxy-methyl containing fatty acids or alkyl esters of such fatty acids Apr. 1, 2014
8680213 Thermoplastic polyurethanes Mar. 25, 2014
8664331 Aqueous urethane dispersants Mar. 4, 2014
8664330 Reactive hot melt adhesive with improved hydrolysis resistance Mar. 4, 2014
8653222 Universal wetting agents and dispersants based on isocyanate monoadducts Feb. 18, 2014
8653221 Hydroxyl-functionalised polyurethane hot melt prepolymer Feb. 18, 2014
8653220 Poly(ureaurethane)s, articles and coatings prepared therefrom and methods of making the same Feb. 18, 2014
8653219 Method for producing reactive polyurethane compositions Feb. 18, 2014
8652568 Coating composition Feb. 18, 2014
8652293 Hydrophilic biodegradable adhesives Feb. 18, 2014
8648124 Weather-resistant polyurethane casting compounds, a process for preparation thereof and use thereof Feb. 11, 2014
8637629 High moisture vapor transmissive polyurethanes Jan. 28, 2014
8629231 Methods of making oligomers, coating compositions containing them, and coated articles Jan. 14, 2014
8629193 Method for producing porous silicon molded bodies Jan. 14, 2014
8623989 Polyurea/polythiourea coatings Jan. 7, 2014
8609800 Curable compositions containing silylated polyurethanes Dec. 17, 2013
8609776 Unsaturated polyester-urethane prepolymer and its applications Dec. 17, 2013
8604153 Poly(ureaurethane)s, articles and coatings prepared therefrom and methods of making the same Dec. 10, 2013
8602504 Polyurethane elastomer of high quality Dec. 10, 2013
8586694 Polymerization catalyst for polythiourethane-based optical material, polymerizable composition containing the catalyst, optical material obtained from the composition, and method for preparing Nov. 19, 2013
8580909 Hotmelt process for producing a chemically crosslinked polyurethane film Nov. 12, 2013
8580900 Thermoplastic amphiphilic co-networks Nov. 12, 2013
8575294 High bio content hybrid natural oil polyols and methods therefor Nov. 5, 2013
8575280 Thermosetting resin composition, thermosetting resin composition solution, film forming material and their cured product Nov. 5, 2013
8575226 Vegetable oil-based coating and method for application Nov. 5, 2013
8569440 Highly reactive polyurethane compositions containing uretdione groups Oct. 29, 2013
8568888 Dendritic polyurethane coating Oct. 29, 2013
8563676 Reactive amine catalysts for polyurethane foam Oct. 22, 2013
8557346 Composition capable of radiation activated catalysis and radiation curable urethane containing the composition Oct. 15, 2013
8546509 Functionalized particles Oct. 1, 2013
8535655 Biodegradable polymer--bioactive moiety conjugates Sep. 17, 2013
8530600 Thermoplastic polyurethanes and their use Sep. 10, 2013
8530544 Modification of the surface chemistry of macromolecular species in the presence of a conjugated guanidine Sep. 10, 2013
8519084 Use of a C11 diol or C11 diol mixture for producing polymers Aug. 27, 2013
8513374 Biocompatible and biodegradable polymers from renewable natural polyphenols Aug. 20, 2013
8507633 Thermoplastic polyurethanes Aug. 13, 2013
8501831 Polyisobutylene urethane, urea and urethane/urea copolymers and medical devices containing the same Aug. 6, 2013
8501826 Process for the production of polyurethane products Aug. 6, 2013
8501066 System and method for manufacturing heat-activable adhesive pellets Aug. 6, 2013
8497341 Transparent thermoplastic polyurethanes having low haze and good processability, methods of making the same, and uses therefor Jul. 30, 2013
8476396 Allophanate modified polyisocyanates Jul. 2, 2013
8476362 Moisture-curing polyisocyanate mixtures Jul. 2, 2013
8470954 Diisocyanate terminated macromer and formulation thereof for use as an internal adhesive or sealant Jun. 25, 2013
8469835 Golf ball Jun. 25, 2013
8461372 Amino acid derivatives and absorbable polymers therefrom Jun. 11, 2013











 
 
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