Rapid, thermally cured, back side mar resistant and antireflective coating for ophthalmic lenses
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United States of America Patent
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Dec 5, 2006
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N/A
app pub date -
Dec 17, 2003
filing date -
Dec 17, 2002
priority date (Note) -
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Abstract
Disclosed is a process to rapidly spin-apply an AR coating system to a backside of a prescription lens. The AR coating system comprises a polyurethane primer layer, a siloxane thermally cured scratch resistant coating layer, a two-layer sol-gel AR coating, and a hydrophobic layer. The process comprising steps of spin-applying each of the layers provides a quick way to furnish a prescription lens that is AR coated on both sides.
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