Coated sodium percarbonate particles, process for the production

Compositions – Oxidative bleachant – oxidant containing – or generative – Composition containing a stabilizer or a product in the form...

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25218625, 25218629, 510375, 510509, C11D 3395, C11D 738

Patent

active

061138053

ABSTRACT:
Sodium percarbonate particles stabilized against loss of active oxygen in detergents, bleaches and cleaning agents by the application of a two-layer coating applied by means of a fluidized bed spray process, the inner layer including sodium percarbonate and the outer layer including sodium sulphate.

REFERENCES:
patent: 4325933 (1982-04-01), Matsumoto et al.
patent: 4657784 (1987-04-01), Olson
patent: 5340496 (1994-08-01), Sato et al.
patent: 5462804 (1995-10-01), Kokubu et al.
patent: 5632965 (1997-05-01), Klasen et al.
patent: 5792738 (1998-08-01), Baillely

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