COMPOSITIONS WITH HIGH REACTION INDEX AND HIGH ABBE NUMBER Russian patent published in 2025 - IPC C08L33/08 C08F2/02 C08F2/50 A61F2/14 A61F2/16 A61L27/18 A61L27/26 G02C7/04 

Abstract RU 2835913 C2

FIELD: medicine.

SUBSTANCE: invention relates to an ophthalmic device containing a composition with a high refraction index and can be used as implanted ophthalmic devices. Ophthalmic device contains a composition obtained by free-radical polymerisation of a reaction mixture of monomers containing: a) at least one hydrophobic monomer; b) at least one hydrophilic monomer, which is a poly(ethylene glycol)-containing monomer selected from poly(ethylene glycol)methacrylate and poly(ethylene glycol)methyl ester of methacrylate; and c) a tricyclo[5.2.1.02,6]decanedimethanol di(meth)acrylate cross-linking agent; wherein the composition exhibits a refractive index of at least 1.45 and an Abbe number of at least 39; and wherein the ophthalmic device comprises an intraocular lens, a contact lens, a corneal inlay, a corneal patch or a corneal insert. Invention also relates to an ophthalmic device containing a composition obtained by free-radical polymerisation of a reaction mixture of monomers containing: a) at least one cycloaliphatic (meth)acrylate monomer containing more than one cycloaliphatic ring; b) at least one hydrophilic monomer, which is a poly(ethylene glycol)-containing monomer selected from poly(ethylene glycol)methacrylate and poly(ethylene glycol)methyl ester of methacrylate; and c) at least one cross-linking agent; wherein the composition exhibits a refractive index of at least 1.45 and an Abbe number of at least 39; and wherein the ophthalmic device comprises an intraocular lens, a contact lens, a corneal inlay, a corneal patch or a corneal insert. Additionally, the invention relates to a composition for use in ophthalmic devices, to an ophthalmic device containing a composition for use in ophthalmic devices, and to a method for making an ophthalmic device.

EFFECT: providing material with relatively high refraction index and Abbe number, which is characterized by flexibility and can be used in optical devices, in flexible intraocular lenses.

63 cl, 11 dwg, 17 tbl, 88 ex

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RU 2 835 913 C2

Authors

Alli, Azaam

Dzhonson, Bart A.

Dzhoslin, Skott L.

Makharvi, Gkhulam

Dates

2025-03-05Published

2020-05-01Filed