Compositions – Oxidative bleachant – oxidant containing – or generative – Composition containing a stabilizer or a product in the form...
Patent
1988-10-27
1990-11-13
Lovering, Richard D.
Compositions
Oxidative bleachant, oxidant containing, or generative
Composition containing a stabilizer or a product in the form...
25218625, 25218643, 423415P, 423273, C01B 1504, C01B 15043, C01B 1510, C01B 3124
Patent
active
049700197
ABSTRACT:
A manufacturing process and composition is claimed for a composition of matter comprising sodium carbonate, sodium carbonate perhydrate, a fluorescent whitening agent and a diphosphonic acid. The process comprises incorporating the fluorescent whitening agent and diphosphonic acid into aqueous hydrogen peroxide, uniformly applying the hydrogen peroxide solution to particulate sodium carbonate to form a reaction mixture, urging water vapor from the surface of the reaction mixture and maintaining the temperature of the reaction mixture between about 35.degree. C. and 80.degree. C.
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Crosby John
Richards Joseph C.
Andersen R. L.
Anthony Joseph D.
Elden R. E.
FMC Corporation
Lovering Richard D.
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