Flexible intraocular lenses made from high refractive index polymers

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United States of America Patent

PATENT NO 5433746
SERIAL NO

08158101

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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High refractive index copolymers comprised of monomers having the formula: ##STR1## wherein X is H or CH.sub.3 ; m is 0-10; Y is nothing, O, S, or NR wherein R is H, CH.sub.3, C.sub.n H.sub.2n+1 (n=1-10) iso OC.sub.3 H.sub.7, C.sub.6 H.sub.5, or CH.sub.2 C.sub.6 H.sub.5 ; Ar is an aromatic ring which is unsubstituted or substituted with H, CH.sub.3, C.sub.2 H.sub.5, n--C.sub.3 H.sub.7, iso--C.sub.3 H.sub.7, OCH.sub.3, C.sub.6 H.sub.11, Cl Br, C.sub.6 H.sub.5 or CH.sub.2 C.sub.6 H.sub.5 ; and n is 1-5; a cross linking monomer having a plurality of polymerizable ethylenically unsaturated groups are disclosed. Intraocular lenses made of the copolymers which can be inserted into an aphakic eye through a relatively small incision are also disclosed.

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Patent Owner(s)

Patent OwnerAddress
NESTLE S AVEVEY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
LeBoeuf, Albert R Fort Worth, TX 29 1674
Namdaran, Farhad H Bellevue, WA 3 341

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