Ultraviolet light absorbing compounds, silicone compositions and methods for making same
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United States of America Patent
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Nov 14, 1995
Issued Date -
N/A
app pub date -
May 6, 1994
filing date -
Apr 25, 1991
priority date (Note) -
In Force
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Abstract
An ultraviolet light absorbing silicone composition is disclosed which comprises silicone base polymer and ultraviolet light absorbing component present as, or derived from, one or more silicon-containing ultraviolet light absorbing benzotriazole derivatives. Also disclosed are methods for producing such silicone compositions and derivatives. Such silicone compositions, which are preferably optically clear, are useful as lens materials.
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