Coatings for ophthalmic lens elements
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United States of America Patent
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Oct 8, 2013
Grant Date -
Jun 4, 2009
app pub date -
Feb 28, 2006
filing date -
Mar 1, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
The present disclosure provides a method of forming a removable protective coating on a hydrophobic surface of an ophthalmic lens element. The method includes providing an ophthalmic lens element having a hydrophobic surface. A non-aqueous coating composition is applied so as to coat at least part of the hydrophobic surface. The composition includes a film forming coating polymer and a compatible non-aqueous solvent. A substantial portion of the solvent is removed from the composition to form a removable protective coating on the ophthalmic lens element that adheres to the hydrophobic surface. The disclosure also provides a removable protective coating, and an ophthalmic lens element having the coating.
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