Ophthalmic lens production process
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United States of America Patent
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Jul 13, 1999
Issued Date -
N/A
app pub date -
Oct 2, 1997
filing date -
Dec 8, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
A method of making an ophthalmic lens including the steps of: preparing a polymerizable composition comprising excessive oxygen content; contacting the polymerizable composition with a gas that is inert or substantially inert to the polymerizable composition, and deoxygenating or partially deoxygenating the polymerizable composition; conveying all or part of the polymerizable composition to an ophthalmic lens mold; polymerizing all or part of the polymerizable composition and obtaining a polymeric ophthalmic lens, and the lens produced by such process.
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