Patent ID: 7132492
Filing Date: 2006-11-07
Classification: A61L,C08F,C08G,C08L,G02B,Y10S

Abstract:
1. A polymeric composition produced through the copolymerization of one or more prepolymers produced from one or more prepolymer precursors having a formula of wherein the R groups may be the same or different saturated C 1-10 hydrocarbon substituents; the R 1 groups may be the same or different C 1-10 alkyl substituents; the R 2 groups may be the same or different and are selected from the group consisting of C 1-10 alkyl substituents, C 1-10 fluoroalkyl substituents, and C 2-20 alkyl-fluoroalkyl substituents; the R 3 groups may be the same or different C 8-30 aromatic substituents; n is a natural number; and m is a natural number greater than 4 representing the sum of siloxane moieties with randomly differing R 1 , R 2 and R 3 groups as defined above so as to have a molar ratio of aromatic substituents to alkyl substituents no less than 1:4 such that the prepolymer molecular weight is at least approximately 1000 and refractive index is at least approximately 1.45; and the Z 1 groups may be the same or different and are selected from the group consisting of —OH and —NH 2 , with one or more aromatic monomers, alkyl monomers, hydrophilic monomers or a combination thereof; wherein said one or more aromatic monomers are present, and are selected from the group consisting of acrylate, methacrylate, acrylamide and methacrylamide, each with aromatic substituents.