Cationic diphenylamine dyes and their anhydro bases

Details Cationic diphenylamine dyes and their anhydro bases Cationic diphenylamine dyes and their anhydro bases

1998-06-04

1999-09-14

Powers, Fiona T.

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

Organic compounds

Azo

106 315, 369288, 548141, C09B 29048, C09B 2909, C09D 1102, G11B 724

Patent

active

059524758

ABSTRACT:
The novel cationic thiadiazolediphenylamine dyes of the formula (I) ##STR1## in which the substituents R.sup.1 to R.sup.9 have the meaning indicated in the description, and their anhydro bases, are suitable for use for inkjet printing and in light-writable data storage media and in dye transfer films.

REFERENCES:
patent: 4500715 (1985-02-01), Fustenwerth
patent: 4880769 (1989-11-01), Dix et al.
patent: 5208325 (1993-05-01), Berneth et al.
patent: 5436323 (1995-07-01), Berneth et al.
patent: 5725607 (1998-03-01), Giera et al.
T.L. Dawson, Rev. Prog. Coloration, 22, 22(1992).

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