Patent ID: 8163934
Filing Date: 2012-04-24
Classification: A61K,A61Q,C07D,C08K,G03C

Abstract:
1. A composition of matter comprising: i) a polymer selected from the group consisting of polyesters, polycarbonates, polyester resins, polysulfones, polyamides, acrylic polymers, acrylic resins, alkyd resins, polyolefins, polystyrenes, vinyl polymers, polyvinylchloride, polyureas, polyurethanes, poly hydrocarbons, polypeptides, cellulose polymers, cellulose ethers, cellulose esters, latex polymers, and combinations thereof; ii) from 0.01 to 10% of an ultraviolet light absorbing compound or compounds having the formula I that acts as stabilizer against damage from UV radiation: wherein R R R3 is selected from the group consisting of a straight-chain or branched alkyl of 1 to 14 carbon atoms, an alkylaryl group of 7 to 12 carbon atoms, an alkoxy group of 1 to 4 carbon atoms, a phenyl group, a phenyl group substituted with an alkyl group of 1 to 8 carbon atoms, a cycloalkyl group of 5 to 6 carbon atoms, a carboalkoxy group of 2 to 9 carbon atoms, chlorine, and an arylalkyl group of 7 to 9 carbon atoms; and wherein the ultraviolet light absorbing compound or compounds is prepared by a process comprising the steps of: