Liquid dyestuff compositions

Details Liquid dyestuff compositions Liquid dyestuff compositions

1998-01-13

1999-08-31

Gupta, Yogendra

Bleaching and dyeing; fluid treatment and chemical modification

Organic additive for dye composition, dye composition...

Carboxamides or thiocarboxamides

8426, 8524, 8526, 8527, 8528, 8585, 8588, 8607, 8611, 8613, 8618, 8633, 8634, 8644, 8654, 8655, 8656, 8657, 8919, 8594, C09B 6700, C09B 4400, C09B 6702, C09B 4900

Patent

active

059448563

ABSTRACT:
A liquid dyestuff composition comprising from 4 to 50 wt % of a basic or cationic water soluble dyestuff, an organic or inorganic acid and 0.1 to 15.0 wt % of a phenolic derivative, the dyestuff having a solubility in water in the presence or absence of a phenolic derivative of at least 1 g/liter at a temperature of 25.degree. C. and the composition being made up to 100 wt % by water and optionally a water-miscible solvent and/or a dissolving auxiliary; a process of dyeing a substrate like paper with such composition; a powder or granulate form of such composition and the use of such a composition or powder or granulate thereof in a dyeing process.

REFERENCES:
patent: 2863875 (1958-12-01), Bienert et al.
patent: 4149851 (1979-04-01), Frei et al.
patent: 4273707 (1981-06-01), Pedrazzi
patent: 4842646 (1989-06-01), Gamblin

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