Amine salts of disazo black dyes having good solubility in polar

Details Amine salts of disazo black dyes having good solubility in polar Amine salts of disazo black dyes having good solubility in polar

1990-06-19

1991-10-08

Lee, Mary C.

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

Organic compounds

Azo

534573, 534836, 106 22, C09B 3108, C09D 1102

Patent

active

050555669

ABSTRACT:
A compound of the Formula (1): ##STR1## wherein R is H, SO.sub.3 A, C.sub.1-4 -alkyl, C.sub.1-4 -alkoxy, NO.sub.2, OH or halogen;

REFERENCES:
patent: 2038278 (1936-12-01), Kiernan
patent: 2315870 (1948-04-01), Nadler et al.
patent: 2490703 (1949-04-01), Paige
patent: 3640994 (1972-02-01), Harnisch
patent: 3828020 (1974-08-01), Tartter
patent: 4626284 (1986-12-01), Ohta et al.
patent: 4824948 (1989-04-01), Stark et al.

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