Disazo dyestuffs

Details Disazo dyestuffs Disazo dyestuffs

1996-03-20

1996-12-03

Powers, Fiona T.

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

Organic compounds

Azo

534819, 106 22K, 8687, 8918, 8919, C09B 31072, D06P 139, C09D 1116

Patent

active

055809650

ABSTRACT:
Disazo dyestuffs have been found which, in the form of the free acid, correspond to the formula (I) ##STR1## represents H or an optionally substituted aliphatic or aromatic radical and R.sup.1 to R.sup.6 and A have the meaning given in the description, which are outstandingly suitable for inkjet printing.

REFERENCES:
patent: 4626284 (1986-12-01), Ohta et al.
patent: 5177195 (1993-01-01), Gregory et al.
patent: 5281263 (1994-01-01), Gregory et al.
Szadowski et al., Chemical Abstracts, 119:97947 (1993).
Ota et al, Chemical Abstracts, 105:80807 (1986).
Miura et al., Chemical Abstracts, 106:34599 (1986).

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