Reactive uv absorbing compositions and method of preparing lense

Details Reactive uv absorbing compositions and method of preparing lense Reactive uv absorbing compositions and method of preparing lense

1989-03-14

1990-10-16

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

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

Contact lens

8549, 8566, 8648, 8688, 8696, 351159, 351160R, 351160H, 544180, 544190, 544194, 544204, D06P 500

Patent

active

049631608

ABSTRACT:
An ultraviolet radiation absorbing agent for bonding to an ocular lens, wherein the agent has the formula: ##STR1## wherein A and B are ultraviolet radiation absorbing components which are either identical to or are dissimilar to each other.

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patent: 4559059 (1985-12-01), Su
patent: 4702574 (1987-10-01), Bawa
patent: 4719248 (1988-01-01), Bambury et al.
patent: 4891046 (1990-01-01), Wittmann et al.
patent: 4929250 (1990-05-01), Hung

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