Quinophthalone dyes

Details Quinophthalone dyes Quinophthalone dyes

1986-09-15

1988-11-15

Rizzo, Nicholas S.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

544284, 544354, 546153, 546154, 548327, 548471, 549240, 549243, 549246, C07D40112

Patent

active

047851147

ABSTRACT:
Quinophthalone dyes of the formula ##STR1## where X is O or NC--C--R, where R is cyano, unsubstituted or N-substituted carbamyl, carboalkoxy, quinazolonyl, quinoxalinonyl, benzimidazolyl or benzothiazolyl and the rings A, B, the quinoline system and/or the fused benzo systems may be substituted by insolubilizing groups, in surface finishes, printing inks and plastics, in particular in thermoplastics, gives bright hues having good fastness properties coupled with high thermostability.

REFERENCES:
patent: 3979386 (1976-09-01), von der Crone et al.
Chemical Abstract for JP Pat. #48-30656, 9/21/73.
Chemical Abstract for JP Pat. #0121822, 10/24/78.

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