Edge coating for laminated lenses

Details Edge coating for laminated lenses Edge coating for laminated lenses

G - Physics

02

C

G02C 7/02 (2006.01) B29D 12/02 (2006.01) C09D 143/04 (2006.01) G02C 1/06 (2006.01)

Patent

CA 2068464

Abstract of the Disclosure This invention is primarily directed to edged three- layer ophthalmic lenses having a coating covering the edge of the lens. The coating provides a cushion between the lens and an eyeglass frame and inhibits the penetration of moisture and tints commonly used to fashion tint ophthalmic lenses. The coating comprises a dimethyl silicone coblocked with vinyl with crosslinking therein being provided through a platinum-catalyzed addition reaction. The inventive coating also imparts advantageous properties to single element glass and plastic lenses.

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