C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
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.
439764
Barnes-Hind/hydrocurve Inc.
Ridout & Maybee Llp
LandOfFree
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