Compositions – Absorptive – or bindive – and chemically yieldive
Patent
1986-10-28
1988-03-15
Thexton, Matthew A.
Compositions
Absorptive, or bindive, and chemically yieldive
25218633, 252 95, 252 99, 252140, 25217419, 25217423, 25217424, 502 60, 502 62, 502 87, C09K 300
Patent
active
047311967
ABSTRACT:
A manganese exchanged Zeolite A laundry bleach activator is made in a single reaction vessel by mixing dry Zeolite A with an inorganic acid in an amount to lower the pH to 8.0-10.5, adding and mixing in an aqueous manganese (II) salt, adding and mixing in a chelating agent such as sodium tripolyphosphate, adding and mixing in a binding agent such as carboxymethylcellulose, mixing and adding water to cause the Mn-exchanged Zeolite A, chelating agent and binder to agglomerate to form small granules and drying the resulting small granules for use as a bleach activator in laundry detergent compositions.
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Hu Patrick C.
Staton James S.
Ethyl Corporation
Johnson Donald L.
Odenweller J. D.
Sieberth John F.
Thexton Matthew A.
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