Hydroxyethyl cellulose derivatives containing pendant (meth)...

C - Chemistry – Metallurgy – 08 – L

Patent

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C08L 1/28 (2006.01) C08F 290/10 (2006.01) G02B 1/04 (2006.01) G02C 7/04 (2006.01)

Patent

CA 2042123

V-18072/A/CGC 1485 Hydroxyethyl Cellulose Derivatives Containing Pendant (Meth)Acryloyl Units Bound Through Urethane Groups and Hydrogel Contact Lenses Made Therefrom Abstract The instant invention relates to methacrylate functionalized hydroxyethyl cellulose which is crosslinked with conventional vinylic monomers to form soft hydrogel contact lenses possessing high oxygen permeability, wettability, and mechanical strength.

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