Patent ID: 7468398
Filing Date: 2008-12-23
Classification: A61L,B29C,B29L,C08G,C08L,G02B

Abstract:
1. A contact lens comprising a polymeric material formed from a prepolymerization mixture including: (a) at least one siloxane-containing macromer, wherein said at least one siloxane-containing macromer comprises at least two different hydrophilic groups and a poly(disubstituted siloxane) segment, wherein said hydrophilic groups are selected from the group consisting of polyoxyethylene, urethane, urea, amide, amine, hydroxyl and combinations thereof; (b) at least one hydrophilic monomer selected from the group consisting of N, N-dimethylacrylamide, hydroxyl-substituted C (c) a cross-linking agent,