Ultraviolet absorbing benzophenone sulfonic acid derivatives

Details Ultraviolet absorbing benzophenone sulfonic acid derivatives Ultraviolet absorbing benzophenone sulfonic acid derivatives

1993-07-14

1995-03-21

Shah, Mukund J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

562 46, 562 47, 562 52, C07D23942

Patent

active

053996925

ABSTRACT:
An ultraviolet radiation absorbing agent for bonding to an ocular lens. The agent has the formula

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