Process for trichromatic dyeing polyamide fibres

Details Process for trichromatic dyeing polyamide fibres Process for trichromatic dyeing polyamide fibres

1986-12-30

1988-09-27

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

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

Mixed dyes, noncomplexed

8676, 8679, 8924, 8929, 260372, 260374, C09B 134, C09B 6722, D06P 139, D06P 304

Patent

active

047739142

ABSTRACT:
Dyestuffs which are highly suitable for use as the blue component in the trichromatic dyeing of polyamide fibre materials have the formula ##STR1## in which R.sub.1 and R.sub.2 denote alkyl, the total number of the C atoms in the radicals R.sub.1 and R.sub.2 being at least three.

REFERENCES:
patent: 4146363 (1979-03-01), Harms et al.
patent: 4402704 (1983-09-01), Raisin et al.
patent: 4445905 (1984-05-01), Schaetzer et al.
patent: 4537598 (1985-08-01), Schaetzer et al.
patent: 4579561 (1986-04-01), Rowe et al.
Colour Index (Third Edition), (Soc. Dyers and Colourists), 1971, vol. 4, p. 4549.

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