UV absorbers, their preparation and the use thereof

Details UV absorbers, their preparation and the use thereof UV absorbers, their preparation and the use thereof

1995-09-11

1998-07-28

Shah, Mukund J.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

544207, 544209, 544211, 544212, C07D40300, C07D25102, C07D25142

Patent

active

057864756

ABSTRACT:
The invention relates to compounds of formula ##STR1## wherein the variables have the meanings given in the claims. The compounds are suitable for use as UV absorbers for the photochemical stabilization of undyed, dyed or printed textile fiber materials and for enhancing the sun protection factor thereof.

REFERENCES:
Chem. Abstract, 116 : 1537725 (1992).

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