Hydrophilic silicone compounds and contact lenses containing...

Details Hydrophilic silicone compounds and contact lenses containing... Hydrophilic silicone compounds and contact lenses containing...

C - Chemistry, Metallurgy

08

F

88/40, 402/8, 26

C08F 220/28 (2006.01) B29D 11/00 (2006.01) C08G 77/14 (2006.01) C08G 77/20 (2006.01)

Patent

CA 1156248

ABSTRACT OF THE DISCLOSURE Homopolymors- and copolymers- of compounds according to the formula, Image wherein R i- an Alkyl having 1 to 3 carbons, (Z)e' (H)a+ (oH)b + (CB2CH20H)C + (Y)),d a? e- (b+c+d), b?O to o, c?-O to e, b + c >1, d?-O to 5, e-l to 100, and Y is an organic group contalnlng at leabt one>C-C< are hydrophilic as well as exhibiting properties similar to silicone compounds. The polymers are particularly useful in contact lenses having enhanced oxygen permeability

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