Process for the preparation of improved dyestuff granules from s

Details Process for the preparation of improved dyestuff granules from s Process for the preparation of improved dyestuff granules from s

1991-11-21

1993-05-25

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

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

Dye in specified form other than mere powder

8506, 8552, 8558, 8609, 8662, C08J 320, C08K 904, C09B 6706, C09B 6742

Patent

active

052135837

ABSTRACT:
To prepare storage-stable, low-dusting dyestuff granules which are readily soluble in plastics, a suspension of the dyestuff containing 0.1-5% by weight of a polyglycol are dried while being granulated.

REFERENCES:
patent: 3843380 (1974-10-01), Beyn
patent: 4487669 (1984-12-01), Putzar
patent: 4624678 (1986-11-01), Schneider
patent: 4961755 (1990-10-01), Bruttel et al.

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