Slow-dissolving perborate

Details Slow-dissolving perborate Slow-dissolving perborate

1977-10-27

1978-12-05

Willis, Jr., P.E.

Compositions

Electrolytes for electrical devices

252 99, 252135, 252186, 423582, 423583, C11D 754, C11D 756

Patent

active

041284917

ABSTRACT:
A particulate alkali metal perborate having an outer layer of chemically bound calcium in an amount of from about 0.4 to 2.0% by weight of the total particle, to slow down the rate of dissolution. A process for preparing said slow-dissolving perborate.
The slow-dissolving perborate is especially designed for mixing with detergent granules and has improved resistance against catalase attack under practical use conditions.

REFERENCES:
patent: 3305310 (1967-02-01), Schecter et al.
patent: 3459665 (1969-08-01), Schiefer et al.
patent: 3639248 (1972-02-01), Moyer et al.
patent: 3920803 (1975-11-01), Boryta
patent: 3953354 (1976-04-01), Faust
patent: 3983254 (1976-09-01), Alterman et al.
patent: 3992317 (1976-11-01), Brichard et al.

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