Process for the preparation of a bleaching activator in granular

Details Process for the preparation of a bleaching activator in granular Process for the preparation of a bleaching activator in granular

1984-12-11

1986-05-27

Willis, Prince E.

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

252 99, 25217413, 252 91, 25218638, C11D 716, C11D 754

Patent

active

045914508

ABSTRACT:
A process for the production of a bleaching activator in granular form, in which an aqueous suspension of acetylated bleach activator is filtered to recover a filtration cake comprised of the acetylated bleach activator and having a moisture content of from 20 to 65% by weight; from 1 to 7 parts by weight of the filtration cake of step (a) is mixed and granulated with 1 part by weight of sodium tripolyphosphate in a granulator means to provide a granulated product; and the granulated product is dried to a residual moisture content of from 5 to 15% by weight to obtain the bleaching activator.

REFERENCES:
patent: 3741903 (1973-06-01), Evans
patent: 3789002 (1974-01-01), Weber et al.
patent: 4290903 (1981-09-01), Macgilp et al.
patent: 4333844 (1982-06-01), Duggleby et al.
patent: 4372868 (1983-02-01), Saran et al.
patent: 4417994 (1983-11-01), Stoddard
patent: 4422950 (1983-12-01), Kemper et al.

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