Method for treating the surface of an oxygen permeable hard cont

Details Method for treating the surface of an oxygen permeable hard cont Method for treating the surface of an oxygen permeable hard cont

1990-08-15

1992-06-02

Pianalto, Bernard

Coating processes

Pretreatment, per se, or post-treatment, per se

427 39, 427164, 427296, B05D 300

Patent

active

051185377

ABSTRACT:
A method for treating the surface of an oxygen permeable hard contact lens, which comprises applying high-frequency glow discharge treatment to an oxygen permeable hard contact lens made of a copolymer consisting essentially of at least one monomer selected from the group consisting of a silicone-containing (meth)acrylate, a fluorine-containing (meth)acrylate, a silicone-containing styrene and a fluorine-containing styrene, in a gas atmosphere of at least one member selected from the group consisting of helium, neon, argon and nitrogen gas, containing substantially no oxygen.

REFERENCES:
patent: 4980208 (1990-12-01), Sugiyama et al.

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