Blue dye composition

Details Blue dye composition Blue dye composition

1992-12-28

1994-08-30

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

Dye or potential dye composition, additive, treatment,...

Mixed dyes, noncomplexed

8662, 8922, C09B 2900

Patent

active

053424166

ABSTRACT:
The present invention provides a blue dye composition having excellent percentage of exhaustion which comprises a compound of formula(I) and a compound of formula(II): ##STR1## wherein each of said R's, which may be the same or different, represents a C.sub.1-4 alkyl group.

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patent: 4401692 (1983-08-01), Schickfluss et al.
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patent: 4494957 (1985-01-01), Niwa et al.
patent: 4523926 (1985-07-01), Brandt et al.
patent: 4678476 (1987-07-01), Tappe et al.
patent: 4728338 (1988-03-01), Henzi
patent: 4851012 (1989-07-01), Buhler et al.
patent: 5071443 (1991-12-01), Buhler et al.
patent: 5160348 (1992-11-01), Hoppe et al.

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