LENSES COMPRISING AMPHIPHILIC MULTIBLOCK COPOLYMERS
First Claim
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1. An ophthalmic device comprising:
- a polymerized comonomer mixture comprising an amphiphilic multiblock copolymer comprising a hydrophobic segment and a hydrophilic segment, wherein the amphiphilic multiblock copolymer has at least one thio carbonyl thio group capable of participating in a free radical reaction.
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Abstract
This invention describes the use of amphiphilic multiblock copolymers comprising a hydrophobic segment and a hydrophilic the amphiphilic multiblock copolymer has at least one thio carbonyl thio group capable of participating in a free radical reaction as comonomers in forming ophthalmic devices such as contact lenses, intraocular lenses, corneal implants, etc.
107 Citations
40 Claims
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1. An ophthalmic device comprising:
a polymerized comonomer mixture comprising an amphiphilic multiblock copolymer comprising a hydrophobic segment and a hydrophilic segment, wherein the amphiphilic multiblock copolymer has at least one thio carbonyl thio group capable of participating in a free radical reaction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. A method of forming an ophthalmic device comprising:
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providing a polymerizable mixture comprising an amphiphilic multiblock copolymer comprising a hydrophobic segment and a hydrophilic segment, wherein the amphiphilic multiblock copolymer has at least one thio carbonyl thio group capable of participating in a free radical reaction; subjecting the polymerizable mixture to polymerizing conditions; and
,shaping the polymerizable mixture into the desired shape of the ophthalmic device. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
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- 37. An amphiphilic multiblock copolymer comprising a hydrophobic segment and a hydrophilic segment, wherein the amphiphilic multiblock copolymer has at least one thio carbonyl thio group capable of participating in a free radical reaction.
Specification