Patent ID: 7446157
Filing Date: 2008-11-04
Classification: A61L,C08F

Abstract:
1. A composition comprising: at least about 15% by weight of a high refractive index monomer selected from the group consisting of vinyl carbazole, vinyl napththalene, and mixtures thereof; at least about 20 weight percent hydrophobic monomer selected from the group consisting of lauryl methacrylate, lauryl acrylate, 2-ethylhexyl acrylate, 2-ethylhexyl methacrylate, n-decyl acrylate, n-decyl methacrylate, hexyl acrylate, hexyl metcarylate, stearyl acrylate, stearyl methacrylate, isodecyl acrylate, isodecyl methacrylate, isobornyl acrylate, isobornyl methacrylate, vinyl laurate, vinyl stearate, 1-hexadecyl acrylate, 1-hexadecyl methacrylate, n-myristyl acrylate, n-myristyl methacryalte, n-dodecyl methacrylamide, butyl acrylate, n-butyl methacrylate, isooctyl acrylate, isotridecyl acrylate, isooctyl methacrylate, and isotridecyl methacrylate; at least about 10 weight percent hydrophilic monomer; and a crosslinker.