Reactive dyes for contact lenses

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United States of America Patent

PATENT NO 8865929
APP PUB NO 20140200287A1
SERIAL NO

14131915

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Abstract

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A method for preparing a polymerizable monomer-dye compound is provided in which a monomer, a reactive dye, and base are combined under substantially anhydrous reaction conditions to form the polymerizable monomer-dye compound, wherein the monomer comprises a pendant reactive group that covalently links to the reactive dye to form the monomer-dye compound.

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Patent Owner(s)

Patent OwnerAddress
COOPERVISION INTERNATIONAL LIMITEDFAREHAM PO15 5RL

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Charlie San Ramon, US 54 1194
Francis, Charles A Union City, US 17 538
Mao, Shane San Ramon, US 4 81
Xu, Yuan Fremont, US 120 1094
Xue, Hong Pleasanton, US 45 368
Zhang, Xining Union City, US 2 3

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