Anionic dye having high water-fastness

Details Anionic dye having high water-fastness Anionic dye having high water-fastness

1989-08-24

1991-10-01

Lee, Mary C.

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

Organic compounds

Azo

534573, 534728, 534836, 534887, 8524, 8641, 106 22, C09B 3108, C09D 1102

Patent

active

050534955

ABSTRACT:
A dye which, in the free acid form, has the formula ##STR1## wherein W is COOH

REFERENCES:
patent: 3963418 (1976-06-01), Tullio
patent: 4083840 (1978-04-01), Schoefberger
patent: 4626284 (1986-12-01), Ohta et al.
patent: 4703113 (1987-10-01), Baxter et al.
patent: 4752337 (1988-06-01), Kunde
patent: 4963189 (1990-10-01), Hindagolla
Colour Index, 3rd ed., vol. 4, No. 27720, p. 4251.
Dainippon, Chemical Abstracts, vol. 99, No. 72344g (1983).
Levchenkova et al., Chemical Abstracts, vol. 95, No. 44707b (1981).

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