C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
362/42
C02F 1/42 (2006.01) B01J 39/02 (2006.01) C02F 5/08 (2006.01) C11D 3/00 (2006.01) C11D 3/12 (2006.01)
Patent
CA 1178383
SEQUESTERING OF Ca++ AND Mg++ IN AQUEOUS MEDIA USING ZEOLITE MIXTURES Abstract of Disclosure Mixtures of zeolite A and zeolite X containing about 40 to 70 weight per cent of each species are found to exhibit a synergistic effect in the sequestering by ion ex- change of calcium and magnesium ions in hard water. These zeolite mixtures can be advantageously used in detergent com- positions as substitutes in part or in full for polyphosphate builders. S P E C I F I C A T I O N -1-
305204
Denny Arthur F.
Gioffre Anthony J.
Sherman John D.
Hopley William G.
Union Carbide Corporation
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