Copolymers formed from three components and intraocular lenses made thereof
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United States of America Patent
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-
Oct 17, 2000
Issued Date -
N/A
app pub date -
Jun 22, 1998
filing date -
Dec 22, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A foldable intraocular lens material which includes 60 to 80 weight % of ##STR1## wherein R.sup.1 is hydrogen or alkyl, and R.sup.2 is unsubstituted alkylene or alkylene substituted by a hydroxyl group; 10 to 30 weight % of ##STR2## wherein R.sup.3 is a single bond or ##STR3## wherein R.sup.5, R.sup.6, R.sup.7 and R.sup.8 are hydrogen or alkyl, m, n, p and q are integers from 1 to 4, and R.sup.4 is hydrogen or alkyl; and 5 to 20 weight % of ##STR4## wherein R.sup.9 is hydrogen or alkyl and R.sup.10 is alkyl.
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