Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1991-12-19
1993-08-24
Garvin, Patrick P.
Compositions
Water-softening or purifying or scale-inhibiting agents
252547, 252DIG1, C11D 118, C11D 1700
Patent
active
052385957
ABSTRACT:
The divalent ion sequestration rate of a zeolite is increased by blending it with an amine oxide corresponding to the formula RR'R"NO in which R is a primary alkyl group containing 6-24 carbons and R' and R" are independently selected from methyl, ethyl, and 2-hydroxyethyl to provide about 2.3-7.0 mmols of amine oxide per gram of zeolite. Preferred ingredients are zeolite A and N-tetradecyldimethylamine oxide, and the increased sequestration rate makes the zeolite more suitable for use as detergent builder in anionic surfactant-containing cleaning compositions.
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Borland James E.
Crutcher Terry
Sauer Joe D.
Smith Kim R.
Ethyl Corporation
Garvin Patrick P.
Hogan Patricia J.
Irzinski E. D.
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