Vinylsilylalkoxy arylbenzotriazole compounds and UV absorbing compositions made therefrom
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United States of America Patent
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Feb 7, 1989
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N/A
app pub date -
Mar 11, 1987
filing date -
Mar 11, 1987
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Abstract
Vinylsilylalkoxy arylbenzotriazol monomers such as 2-[3'-t-butyl-5'-(3-'-dimethylvinylsilylpropoxy)-2'-hydroxy-phenyl]-5-methoxybenzotriazole are disclosed. These monomers can be incorporated in optically clear silicone polymers to form intraocular lenses, contact lenses, and the like, which have UV absorbing properties.
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