Patent ID: 6867172

Claim:
A method of inhibiting the adherence of soft lenses to hydrophobic packaging materials comprising storing the soft lenses in a packing solution comprising an effective amount of composition of Formula I wherein R 1 is C 1-6 alkyl; R 2 is —CH 2 OH, —CH 2 OR 3 , —CH 2 OC(O)R 4 wherein R 3 is C 1-50 alkyl, or C 1-51 alkylene having at least one double bond, R 4 is hydrogen or C 1-12 alkyl; R 5 is —OH, or —[(O—(CHR 7 ) a ) n —OR 6 ] wherein R 6 is hydrogen C 1-50 alkyl, or C 1-51 alkylene having at least one double bond, R 7 is hydrogen or C 1-12 alkyl; R 8 is —OH or —[(O—(CHR 10 ) b ) m —OR 9 ] wherein R 9 is hydrogen, C 1-50 alkyl, or C 1-51 alkylene having at least one double bond R 10 is hydrogen or C 1-12 alkyl; R 11 is —OH or —OC(O)R 12 wherein R 12 is C 1-50 alkyl or C 1-51 alkylene having at least one double bond; a is 2-4; b is 2-4; x is 0-3; q is 0-3; z is 0-3 wherein the sum of x+q+z=3 m is an integer, from 1 to 200; n is an integer from 1 to 200 wherein the sum of m+n=2 to 400 provided that if q is 3 R 6 is not ethyl; provided that if z is 3 R 9 is not ethyl.