Dye preparation soluble in cold water

Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning

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8 1W, 8 41R, 8 86, 8 89R, 8 90, 8 92, 8 93, C09B 6700

Patent

active

041054016

ABSTRACT:
Disclosed is a solid preparation containing at least one anionic dye or optical brightener, at least one anionic compound having hydrotropic activity, and/or at least one anion-active solubilising agent as well as optionally further additives, such as and preferably a anti-dust agent, whereby this preparation has a very good solubility especially in cold water compared with that of equally strong dyes diluted with customary fillers and can be used for producing aqueous dye preparations useful for dyeing and printing materials dyeable with anionic dyes or optical brighteners.

REFERENCES:
patent: 1963967 (1931-06-01), Hermann
patent: 2121616 (1938-06-01), Werntz
patent: 2121617 (1938-06-01), Werntz
patent: 2321501 (1943-06-01), Miller
patent: 3617176 (1971-12-01), Machatzke
patent: 3671176 (1972-06-01), Kaufmann et al.
Zimmerman and McLeary, American Dyestuff Reporter, Jan. 26, 1948, pp. 47-51 and 56.
Bird, "The Theory and Practice of Wool Dyeing" (SDC. Dyers and Colourists, 1963)-pp. 74; 174-179.
Diserens, "The Chemical Technology of Dyeing and Printing" (Reinhold, 1948), pp. 8-11.

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