Surface-treated plastic article and method of surface treatment

Details Surface-treated plastic article and method of surface treatment Surface-treated plastic article and method of surface treatment

2003-12-05

2008-10-14

Bashore, Alain L. (Department: 1762)

Coating processes

Immersion or partial immersion

C427S162000, C427S164000, C428S451000, C428S520000, C428S522000, C351S177000

Reexamination Certificate

active

07435452

ABSTRACT:
The present invention relates to a surface-treated plastic article including a thin layer composed of a polymer complex on the surface. The surface-treated plastic article can be produced by a treatment with at least one kind of aqueous solutions of polymers having a weight average molecular weight of 200 or more. According to the present invention, the plastic articles, such as contact lenses, having superior transparency, wettability, oxygen permeability, and mechanical properties can be provided.

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European Patent Office Examination Report, dated Nov. 8, 2004.

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