Ocular lens material
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United States of America Patent
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Sep 13, 1994
Grant Date -
N/A
app pub date -
Aug 25, 1993
filing date -
Aug 26, 1992
priority date (Note) -
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Abstract
An ocular lens material made of a copolymer comprising, as main copolymerizable components, (A) a polysiloxane macromonomer having polymerizable groups bonded via one or more urethane bonds to the siloxane main chain and (B) an alkyl (meth)acrylamide, wherein the weight ratio of the polysiloxane macromonomer to the alkyl (meth)acrylamide is from 5/95 to 90/10.
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