Cured cellulose ester, method of curing same, and use thereof

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United States of America Patent

PATENT NO 4454295
SERIAL NO

06517166

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Abstract

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Cellulose esters are cured by exposure to radiation preferably followed by exposure to elevated temperatures of at least about 100.degree. C. In addition, polymers obtained from reacting certain cellulose esters with certain polymerizable silicon esters are provided. The cured cellulose esters are suitable for producing transparent parts such as contact lenses.

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Patent Owner(s)

Patent OwnerAddress
COOPER COMPANIES INC THE3145 PORTER DRIVE PALO ALTO CA 94304

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Evans, John M Rochester, NY 73 2454
Wittmann, Joseph W Rochester, NY 4 335

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