C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 220/00 (2006.01) A61F 2/16 (2006.01) C08F 212/14 (2006.01) C08F 216/08 (2006.01) C08F 216/12 (2006.01) C08F 220/28 (2006.01) C08F 220/54 (2006.01) C08F 222/00 (2006.01) C08F 226/06 (2006.01) C08F 228/02 (2006.01) C08F 246/00 (2006.01) G02B 1/04 (2006.01) G02C 7/04 (2006.01)
Patent
CA 2112049
DEPOSIT-RESISTANT CONTACT LENSES Abstract of the Disclosure Hydrophilic copolymers, based on 2-hydroxyethyl methacrylate and comonomers containing a quaternary ammonium moiety, possess good oxygen permeability, strong physical properties and high antimicrobial activity making them superior starting materials for preparing contact lenses which are resistant to deposits.
Robertson James R.
Terry Wilson L. Jr.
Fetherstonhaugh & Co.
Novartis Ag
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