Ultraviolet absorbing lenses and method of making the same

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

1989-03-14

1990-05-29

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Nontextile, dyeing process or product, including inorganic...

Contact lens

8549, 8647, 8648, 351162, 544180, D06P 500, C07D25100, C07D25300

Patent

active

049292501

ABSTRACT:
An ultraviolet radiation absorbing contact lens and method of making the same, comprising a copolymeric hydrogel material to which is covalently bonded at least one halotriazine reactive ultraviolet radiation absorbing agent of the formula: ##STR1## where X=Cl or F;

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patent: 4303701 (1981-12-01), Torgersen et al.
patent: 4304895 (1981-12-01), Loshaek
patent: 4390676 (1983-06-01), Loshaek
patent: 4447474 (1984-05-01), Neefe
patent: 4559059 (1985-12-01), Su
patent: 4668240 (1987-05-01), Loshaek
patent: 4702574 (1987-10-01), Bawa
patent: 4719248 (1988-01-01), Bambury et al.
patent: 4795461 (1989-01-01), Lindqvist et al.
patent: 4845180 (1989-07-01), Henry et al.

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