Process for the production of dyestuff preparations

Details Process for the production of dyestuff preparations Process for the production of dyestuff preparations

1980-03-14

1982-02-09

Tungol, Maria Parrish

Bleaching and dyeing; fluid treatment and chemical modification

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

8598, C09B 6742, C09B 6704

Patent

active

043148158

ABSTRACT:
New solid dyestuff preparations are disclosed consisting of an anionic dyestuff having a particle size of less than 10.mu., a dispersing agent, a basic component, especially sodium bicarbonate, a solid acid component, preferably tartaric acid, as well as, optionally, further additives.
The new dyestuff preparations are stable in storage, and have good solubility in water, they are therefore extremely suitable for the preparation of aqueous dye liquors.

REFERENCES:
patent: 543601 (1892-07-01), Kerfort
patent: 1054039 (1913-02-01), Schmidt et al.
patent: 1450865 (1923-04-01), Pelc
patent: 1647162 (1927-11-01), Wenker
patent: 2087866 (1937-07-01), Weinland et al.
patent: 2323871 (1943-07-01), Kienle et al.
patent: 2574597 (1951-11-01), Salvin et al.
patent: 3357782 (1967-12-01), Carbonell et al.
patent: 3518343 (1970-06-01), Welsh et al.

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