Patent ID: 7799845
Filing Date: 2010-09-21
Classification: A61L,C08F,C08L

Abstract:
1. A polymeric ophthalmic or otorhinolaryngological device material comprising a) 65 to 95% (w/w) of a monofunctional acrylate or methacrylate monomer of formula [1]: wherein B=—O(CH R n=0-12; A=C m=0-18; b) a difunctional acrylate or methacrylate cross-linking monomer of formula [2]: wherein R W, W′ independently=O(CH J=(CH d=0-12; a=1-12; and b=1-24; and c) 5 to 35% (w/w) of a di-block or tri-block macromer of formula [3a], [3b], [3c], [3d], or [3e]: wherein for formulas [3a], [3b], [3c], [3d], and [3e] a independently=1-18; Z X=O, NH—, N(CH Y=—(CH Z R R R p=1-500; e=1-200, provided that p≧e; t=0-6; R L=H, Cl, Br, —CH  or CH