C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 220/30 (2006.01) A61F 2/16 (2006.01) A61L 27/16 (2006.01) B29D 11/02 (2006.01) C08F 220/34 (2006.01) C08F 220/38 (2006.01) G02B 1/04 (2006.01)
Patent
CA 2055138
High refractive index copolymers comprised of monomers having the formula: Image wherein X is H or CH3; m is 0-10; Y is nothing, O, S, or NR wherein R is H, CH3, CnH2n+1 (n=1-10) iso OC3H7, C6H5, or CH2C6H5; Ar is an aromatic ring which is unsubstituted or substituted with H, CH3, C2H5, n-C3H7, iso-C3H7, OCH3, C6H11, Cl, Br, C6H5 or CH2C6H5; and n is 1-5; and 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.
Copolymères à haut indice de réfraction, constitués de monomères de formule Image , où X est H ou CH3; m = 0 à 10; Y n'est rien, O, S ou NR; R est H, CH3, CnH2n+1(n = 1 à 10)iso-OC3H7, C6H5 ou CH2C6H5; Ar est un noyau aromatique avec ou sans substitution par H, CH3, C2H5, n-C3H7, iso-C3H7, OCH3, C6H11, Cl, Br, C6H5 ou CH2C6H5; n = 1 à 5; monomère réticulant possédant plusieurs groupes avec insaturations éthyléniques, polymérisables. Lentille intraoculaire à base de copolymères, pouvant être insérée dans un oeil aphaque par une incision relativement petite.
Lebeouf Albert R.
Namdaran Farhad H.
Mccarthy Tetrault Llp
Nestle S.a.
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