Patent ID: 6353061
Filing Date: 2002-03-05
Classification: A61K,C08F,C08G,Y10S

Abstract:
A dental filling material, comprising: a filler and a &agr;,&ohgr;-methacrylate terminated epoxide-carboxylic acid macromonomer compound formed by reaction of at least one diepoxide, at least one dicarboxylic acid and at least one unsaturated mono-carboxylic acid and having the general formula: wherein R is an aromatic aliphatic or cycloaliphatic moiety formed from a diepoxide,Râ€² is a substituted or unsubstituted aliphatic or cycloaliphatic moiety formed from a dicarboxylic acid, Râ€³ is hydrogen, a substituted or unsubstituted aliphatic, araliphatic, aromatic or cycloaliphatic moiety, and n is an integer from 1 to 20, said filler comprising a major portion of said material, and said material polymerizes with a polymerization shrinkage of less than about 1.3 volume percent.