Cationic 1,3,4-thiadiazole dyestuffs

Details Cationic 1,3,4-thiadiazole dyestuffs Cationic 1,3,4-thiadiazole dyestuffs

1993-07-01

1995-07-25

Higel, Floyd D.

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

Organic compounds

Azo

534589, 534707, 534731, 534774, 534777, 534795, 548141, 548138, C09B 29048, C09B 4420, C09B 6906, D06P 141

Patent

active

054363233

ABSTRACT:
Cationic 1,3,4-thiadiazolyldiphenylamine dyestuffs and corresponding anhydro bases, the dyestuffs having the formula (I) ##STR1## their preparation and their use, and materials dyed with such dyestuffs.

REFERENCES:
patent: 4268438 (1981-05-01), Fustenwerth
patent: 4500715 (1985-02-01), Fustenwerth
patent: 4818815 (1989-04-01), Moser
patent: 5208325 (1993-05-01), Berneth et al.

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