2-(2-hydroxyphenyl)-benztriazoles

Details 2-(2-hydroxyphenyl)-benztriazoles 2-(2-hydroxyphenyl)-benztriazoles

1989-02-13

1990-11-27

Daus, Donald G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

544132, 544368, 546226, C07D24920

Patent

active

049737023

ABSTRACT:
The novel UV-absorbers are compounds of the formula I ##STR1## in which R.sup.1 is, for example, hydrogen, n is one of the numbers 1 or 2 and R.sup.2 is an appropriate monovalent or divalent radical, for example --OH or --O--CH.sub.2 CH.sub.2 --O--. The UV-absorbers are used in particular for stabilising and improving lacquers and photographic material.

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