Patent ID: 7052131
Filing Date: 2006-05-30
Classification: A61L,G02B

Abstract:
1. A wettable silicone hydrogel comprising the reaction product of at least one siloxane containing macromer; at least one high molecular weight hydrophilic polymer; and at least one compatibilizing component in an amount effective to compatibilize said at least one siloxane-containing macromer and said at least one high molecular weight hydrophilic polymer wherein said at least one compatibilizing component is selected from the group consisting of 2-propenoic acid, 2-methyl-2-hydroxy-3-[3-[1,3,3,3-tetramethyl-1-[trimethylsilyl)oxy]disiloxanyl]propoxy]propyl ester, (3-methacryloxy-2-hydroxypropyloxy)propyltris(trimethylsiloxy)silane, (2-methacryloxy-3-hydroxypropyloxy)propylbis(trimethylsiloxy)methylsilane and compounds of Formula III: Wherein x is 1 to 10; IWA is a difunctional hydrophilic polymer having a number average molecular weight of between about 1000 and about 50,000 Daltons; and HB is a difunctional moiety comprising at least one N which is capable of hydrogen bonding and mixtures thereof.