Noncaking, readily soluble dyestuff granulates of anionic dyestu

Details Noncaking, readily soluble dyestuff granulates of anionic dyestu Noncaking, readily soluble dyestuff granulates of anionic dyestu

1973-04-30

1976-04-06

Sebastian, Leland A.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 25, 8 39R, 8 41R, C09B 6700, C09B 100, C09B 2700

Patent

active

039485994

ABSTRACT:
Dyestuff granulates of anionic dyestuffs are described, the said granulates containing anionic dyestuff, optionally together with a surface-active agent and/or further auxiliaries, dissolved in a melt of urea, which granulates are solid, non-dusty, noncaking, and very easily and rapidly soluble or dispersible even in cold water, and are particularly suitable for the production of aqueous dye preparations, which can be used for the dyeing and printing of the widest variety of materials.

REFERENCES:
patent: 1659131 (1928-02-01), Bishop
patent: 1835926 (1931-12-01), Bernhard
patent: 3336155 (1967-08-01), Rowe
Official Gazette, Vol. 814, May 11, 1965, pp. 363-364.
Chemical Technology of Dyeing and Printing by Diserens (1948), p. 9.

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