Composite constructed optical lens

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United States of America Patent

PATENT NO 9733488
SERIAL NO

14942873

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Abstract

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The present invention describes composite constructed ophthalmic lenses comprising at least two layers of optical materials that provide a composite structure over a practical vision zone of the lens product, are identifiably disparate from each other, and are integrally bonded to each other such that the adhesion of the first layer to the second layer exceeds a ranking of at least 3 when tested according to specified tests. In a preferred embodiment, one layer comprises thermoplastic polycarbonate and the second layer comprises polyurea-urethane material and one or more additives. The first layer may comprise a polarizer. The composite lens may also comprise coatings or other components.

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Patent Owner(s)

Patent OwnerAddress
YOUNGER MFG CO DBA YOUNGER OPTICS2925 CALIFORNIA STRET TORRANCE CA 90503

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ambler, David Mark Rancho Palos Verdes, US 9 127
Barzak, Adam Ahmad Anaheim, US 2 40
Zhao, Lingbing Lynn Torrance, US 2 15

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