Treatment of cellulose acetate butyrate contact lenses

C - Chemistry – Metallurgy – 08 – J

Patent

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Details

18/106, 8/93.38

C08J 7/12 (2006.01)

Patent

CA 1221808

ABSTRACT OF THE DISCLOSURE This disclosure describes the treatment of cellulose acetate butyrate contact lenses which are rendered hydrophillic by contacting said lenses with a treating agent which increases the hydrophilicity of said lenses.

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