Patent ID: 8207245
Filing Date: 2012-06-26
Classification: A61L,C07F,C08G

Abstract:
1. A chemical gel comprising at least one silicon-containing biostable polymer having monomers with an average functionality in the range of from 2.05 to 3.5 in which the biostable polymer is a polyurethane or polyurethane urea which is a reaction product of: (a) at least one silicon-containing polyol or polyamine having 2 or more functional groups in which the silicon-containing polyol or polyamine is a compound of formula (II) in which R R R in which R x is 5 to 30; y is 1 to 10; and n is 1 to 10; (b) a polyisocyanate; and (c) at least one non-silicon containing compound selected from a polycarbonate or a C