Method for applying a coating
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United States of America Patent
Stats
-
Nov 2, 2004
Grant Date -
Dec 5, 2002
app pub date -
May 22, 2002
filing date -
May 30, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention provide a method for applying a coating to an ophthalmic lens or a mold for making the ophthalmic lens or a medical device other than ophthalmic lens. The method comprises spraying at least one layer of a coating liquid onto an ophthalmic lens using a spraying process selected from the group consisting of an air-assisted atomization and dispensing process, an ultrasonic-assisted atomization and dispensing process, a piezoelectric assisted atomization and dispensing process, an electro-mechanical jet printing process, a piezo-electric jet printing process, a piezo-electric with hydrostatic pressure jet printing process, and a thermal jet printing process. The coating can comprise a property/functionality pattern or a color image or combination of both.
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