Detergent compositions

C - Chemistry – Metallurgy – 11 – D

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134/29

C11D 3/06 (2006.01) C11D 11/02 (2006.01)

Patent

CA 1128401

cC.1034 Abstract of the Disclosure Particulate fabric washing detergent compositions are made with mixed phosphate detergency builders which comprise at least 5% of discrete particles of a water-soluble alkali metal polymer phosphate and at least 2% of an alkali metal orthophosphate in the ratio of 10:1 to 1:5 parts by weight, the total amount of these phosphates being from 10% to 40% of the composition and not more than 10% of other phosphate builders being present. The compositions are conveniently made by spray- drying a base powder and then admixing the polymer phosphate in discrete particle form with the base powder.

336796

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