Ultraviolet absorbing lenses and methods of making the same

Details Ultraviolet absorbing lenses and methods of making the same Ultraviolet absorbing lenses and methods of making the same

C - Chemistry, Metallurgy

07

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88/40, 260/249.8

C07D 251/50 (2006.01) C07D 403/00 (2006.01) C07D 403/12 (2006.01) D06P 1/642 (2006.01) G02B 1/04 (2006.01) G02C 7/04 (2006.01) G02C 7/10 (2006.01)

Patent

CA 2011949

An ultraviolet radiation absorbing contact or intraocular lens and method of making the same, comprising a polymeric lens material to which is covalently bonded at least one halotriazine reactive ultraviolet radiation absorbing agent of the formula (see formula I) wherein A and E2 are ultraviolet radiation absorbing groups which are either identical to or dissimilar to each other, or of the formula IB (see formula II) wherein X is C1 or F; A is an ultraviolet radiation absorbing group; and E1 is an aqueous soluble group.

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