Vat dye mixtures, processes for their preparation and their use

Details Vat dye mixtures, processes for their preparation and their use Vat dye mixtures, processes for their preparation and their use

1997-07-31

1999-03-16

Einsmann, Margaret

Bleaching and dyeing; fluid treatment and chemical modification

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

Mixed dyes, noncomplexed

8643, 8677, 8918, 8532, 8927, D06P 124

Patent

active

058823590

ABSTRACT:
Vat dye mixtures comprising at least two structurally different dyes which have the formula ##STR1## in which X is phenyl which is unsubstituted or substituted by C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or halogen; morpholino; or the radical --SR.sub.3 ; R.sub.1 and R.sub.2 independently of one another are each hydrogen or the radical --NHCO--C.sub.6 H.sub.5, and R.sub.3 is C.sub.1 -C.sub.4 alkyl, or phenyl which is unsubstituted or substituted by C.sub.1 -C.sub.4 alkyl or halogen, which are suitable for dyeing cellulosic fiber materials and give dyeings with good allround properties, are described.

REFERENCES:
patent: 3839332 (1974-10-01), Moergeli
patent: 4329456 (1982-05-01), Tzikas
patent: 4348239 (1982-09-01), Wick
patent: 5210190 (1993-05-01), Helwig et al.
Chemical Abstracts, 100: 0532,01f of DE 3,211,300 Sep. 1983.
Chemical Abstracts, 103: 7741 w of CS 216, 361 Jul. 1984.
Chemical Abstracts, 95: 063680 d of EP 25,166 Mar. 1981.
Chemical Abstracts, 78: 005405f of DE 2,209,443 Sep. 1972.
Chemical Abstracts, 97: 218030j of EP 57,381 Aug. 1982.
Chemical Abstracts, 108: 133344k of DE 361066 Oct. 1987.

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