Pigment colored contact lenses and method for making same

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United States of America Patent

PATENT NO 4668240
SERIAL NO

06809542

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Abstract

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Colored contact lenses are produced by providing a contact lens constructed of polymer and coating at least a portion of the lens with coloring substance and binding polymer. The lens and binding polymers are bonded to each other by the reaction of functional groups selected from at least one of --COOH, --OH, and --NH--R, wherein R is hydrogen or alkyl, with functional groups selected from at least one of --NCO and epoxy.

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Patent Owner(s)

Patent OwnerAddress
NOVARTIS AGLICHTSTRASSE 35 BASEL 4056

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Loshaek, Samuel Chicago, IL 15 593

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