Dyeing-stable modification of a disperse dyestuff, processes for

Details Dyeing-stable modification of a disperse dyestuff, processes for Dyeing-stable modification of a disperse dyestuff, processes for

1982-03-29

1983-02-22

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Dry dye composition other than mere mixture of two or more...

Dye in specified form other than mere powder

8662, 8696, 8532, 260156, 260208, C09B 6748, D06P 6702

Patent

active

043746403

ABSTRACT:
A dyestuff useful for dyeing and printing synthetic, hydrophobic fibers or mixtures thereof with cellulose fibers and stable under dyeing conditions is a .beta.-modification of a compound of the formula ##STR1## having an X-ray diffraction pattern under Cu-K.alpha.-radiation with high intensity lines at a diffraction angle in .theta. degrees of 3.75, 6.40 and 12.35;

REFERENCES:
patent: 2007382 (1935-07-01), Ockman et al.
patent: 3957749 (1976-05-01), von Brachel et al.
patent: 4074965 (1978-02-01), Kruse et al.
patent: 4319880 (1982-03-01), Opitz et al.
patent: 4327999 (1982-05-01), Koller et al.
patent: 4332588 (1982-06-01), Eusster et al.

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