Method for modifying a surface
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Apr 13, 2004
Grant Date -
Nov 29, 2001
app pub date -
Jan 31, 2001
filing date -
Feb 4, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method of forming a contact lens within a mold is provided. A coating of a polyionic material(s) is applied to the mold before forming a lens therein. The coating can be applied by spraying or dipping the mold within a solution(s) of polyionic materials. Various other additives can also be applied to the mold. The coating can then be transferred to a contact lens formed within the mold such that the resulting lens has altered surface properties.
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