Encapsulated crystalline calcium carbonate builder for use in de

Details Encapsulated crystalline calcium carbonate builder for use in de Encapsulated crystalline calcium carbonate builder for use in de

1998-03-02

2000-09-05

Douyon, Lorna M.

Cleaning compositions for solid surfaces, auxiliary compositions

Cleaning compositions or processes of preparing

510220, 510229, 510235, 510276, 510349, 510361, 510441, 510470, 510471, 510473, 510474, 510475, 510509, 8137, 134 42, C11D 312, C11D 1700

Patent

active

061142891

ABSTRACT:
A detergent composition containing an inexpensive detergent builder in the form of a selected crystalline calcium carbonate that has been coated with an encapsulating material such as a carbohydrate is provided. The crystalline calcium carbonate can be calcite and the encapsulating material can be sucrose. The crystalline calcium carbonate of the present invention is extremely inexpensive because it performs well even when used at large median particle sizes (e.g. less than 10 m.sup.2 /g surface areas).

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