Solid formulations of metal complex dyes

Details Solid formulations of metal complex dyes Solid formulations of metal complex dyes

1983-05-19

1985-06-25

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

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

8526, 8610, 8685, 8917, 8924, 8904, C09B 6724, D06P 302

Patent

active

045251703

ABSTRACT:
The invention relates to solid formulations of metal complex dyes, which formulations are obtained by dissolving or suspending at least one metal complex dye in water with the addition of an anionic dispersant or mixture of dispersants, and 1 to 20% by weight, based on the final formulation, of a non-ionic ethylene oxide adduct having a molecular weight of 200 to 5000, and optionally further ingredients, subsequently mixing the components and spray drying the solution or suspension.
Such formulations are readily wettable and have a cold water dispersibility of .gtoreq.30 g/l.

REFERENCES:
patent: 3960486 (1976-06-01), Daubach et al.
patent: 4058480 (1977-11-01), Lohmann et al.
patent: 4233026 (1980-11-01), Hitschfel et al.
patent: 4295851 (1981-10-01), Neumann et al.
patent: 4300900 (1981-11-01), Putzar et al.
patent: 4314815 (1982-02-01), Mollet
Nemoto, Y. and Funahashi, H., Ind. Eng. Chem. Prod. Res. Dev., 1980, 19, pp. 136-142.

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