Patent ID: 8105378

Claim:
A copolymeric ophthalmic or otorhinolaryngological device material formed by polymerizing a composition comprising a) 75 to 97% (w/w) of a monofunctional acrylate or methacrylate monomer of formula [1]: wherein B═O(CH 2 ) n , NH(CH 2 ) n , or NCH 3 (CH 2 ) n ; R 1 ═H, CH 3 , CH 2 CH 3 , or CH 2 OH; n=0-12; A=C 6 H 5 or O(CH 2 ) m C 6 H 5 , where the C 6 H 5 group is optionally substituted with —(CH 2 ) n H, —O(CH 2 ) n H, —CH(CH 3 ) 2 , —C 6 H 5 , —OC 6 H 5 , —CH 2 C 6 H 5 , F, Cl, Br, or I; and m=0-22; b) a difunctional acrylate or methacrylate cross-linking monomer of formula [2]: wherein R 2 , R 3 independently=H, CH 3 , CH 2 CH 3 , or CH 2 OH; W, W′ independently=O(CH 2 ) d , NH(CH 2 ) d , NCH 3 (CH 2 ) d , O(CH 2 ) d C 6 H 4 , O(CH 2 CH 2 O) d CH 2 , O(CH 2 CH 2 CH 2 O) d CH 2 , O(CH 2 CH 2 CH 2 CH 2 O) d CH 2 , or nothing; J=(CH 2 ) a , O(CH 2 CH 2 O) b , O, or nothing, provided that if W and W′=nothing, then J≠nothing; d=0-12; a=1-12; and b=1-24; and c) 1 to 20% (w/w) of an alkyl ethoxylate monomer of formula [3]: wherein: n=12, 13, or 14; e=1-100; R 4 ═H, CH 3 , CH 2 CH 3 , CH 2 OH; and