Method for making contact lenses
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United States of America Patent
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Jan 10, 2012
Grant Date -
Nov 4, 2010
app pub date -
Jul 13, 2010
filing date -
Dec 20, 2007
priority date (Note) -
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Abstract
The instant invention pertains to a method and a fluid composition for producing contact lenses with improved lens quality and with increased product yield. The method of the invention involves adding a phospholipid into a fluid composition including a lens-forming material in an amount sufficient to reduce an averaged mold separation force by at least about 40% in comparison with that without the phospholipids.
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