High refractive index and optically clear copoly(carbosilane and siloxane) elastomers
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United States of America Patent
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Aug 5, 2008
Grant Date -
Nov 9, 2006
app pub date -
Jun 30, 2006
filing date -
Dec 3, 2002
priority date (Note) -
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Abstract
High refractive index and optically clear copoly(carbosilane and siloxane) elastomers and ophthalmic lenses made therefrom are provided. The elastomers are comprised of copolymers having carbosilane repeat units and siloxane repeat units. The copolymers and ophthalmic lenses of the present invention have a high refractive index and excellent folding recoverability.
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