Patent ID: 9475767
Filing Date: 2016-10-25
CPC Classification: C07C,C08F,C08G,C09J

Claim Text:
1. A polymerizable urethane acrylate oligomer or urethane methacrylate oligomer having one of the formulae (II) or (III): T is a triisocyanate; n is from 1 to 10; m is from 0 to 5; k is from 1 to 10; C is a capping agent which is a monoalcohol acrylate having from 1 to 5 acrylate functionalities or a monoalcohol methacrylate having from 1 to 5 methacrylate functionalities; D is a diisocyanate, P I is an intermediate having the structure: wherein R′=—H, —CH R″ is a linear or branched C wherein P n is from 0 to 10; m is from 1 to 5; k is from 1 to 10.