Ultraviolet light absorbing compounds and silicone compositions

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United States of America Patent

PATENT NO 5164462
SERIAL NO

07691149

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Abstract

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An ultraviolet light absorbing silicone composition comprising silicone base polymer and ultraviolet light absorbing component present as, or derived from, one or more ultraviolet light absorbing compounds having the following structure: ##STR1## and mixtures thereof, wherein X is selected from the group consisting of H, alkoxy radicals and halogen; R.sup.1 is selected from the group consisting of H and alkyl radicals, provided that at least one of X and R.sup.1 is other than H; R.sup.2 is selected from the group consisting of divalent hydrocarbon radicals, divalent substituted hydrocarbon radicals, oxo, divalent oxyhydrocarbon radicals and divalent substituted oxyhydrocarbon radicals; each R.sup.3 is independently selected from the group consisting of alkyl radicals, substituted alkyl radicals, alkoxy radicals, substituted alkoxy radicals, aryl radicals, substituted aryl radicals and fluoro radical; R is selected from R.sup.3, H and CH.dbd.CH.sub.2, and c is an integer in the range of 1 to about 20.

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Patent Owner(s)

Patent OwnerAddress
ABBOTT MEDICAL OPTICS INC1700 E ST ANDREW PLACE SANTA ANA CA 92705

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yang, Shih-Liang S San Gabriel, CA 23 1150

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