Finely divided colorants

Details Finely divided colorants Finely divided colorants

1971-09-20

1976-01-27

Levy, Donald

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 78, 252132, 252 89, C09B 6700

Patent

active

039349730

ABSTRACT:
Finely divided colorant compositions capable of uniform distribution throughout a dry, solid particulate material, such as a cleaning composition, are prepared by forming a solution of the desired colorant, adding a finely divided, inert substrate material and spray drying the resultant slurry.

REFERENCES:
patent: 2768054 (1956-10-01), Armento
patent: 2785478 (1957-03-01), Audas
patent: 2844489 (1958-07-01), Gemmer
patent: 2986475 (1961-05-01), Mesnard
patent: 3573979 (1971-04-01), Honjo
Bibliography of Solid Adsorbent, 1943 to 1953 by Deitz National Bureau of Standards, Abstracts 1391 and 8225, and 3-8B02.
Glassfone, Textbook of Physical Chemistry, pp. 1218 and 1219, Pub. 1946 by D. Van Nostrand, N.Y.C.
Kivkothmer, Encyclopedia of Chemical Technology, 2nd Edition, Vol. 7, pp. 481 and 487.

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