Contact lenses with hydrophilic crosslinkers

Details Contact lenses with hydrophilic crosslinkers Contact lenses with hydrophilic crosslinkers

C - Chemistry, Metallurgy

08

F

C08F 20/28 (2006.01) G02B 1/04 (2006.01) G02C 7/04 (2006.01)

Patent

CA 2178466

Hydrophilic contact lenses made using a crosslinking agent of the formula A - X - (o-(C(O)i-R-(C(O))i-O-X)n-A wherein R contains one or more cyclic or bicyclic moiety, X is linear or branched alkyl or alkenyl, optionally substituted, and A is acrylate, methacrylate, vinylbenzoyloxy or vinylphenoxy, exhibit superior hhydrophilicity, oxygen transmissivity, and physical properties.

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