Detergent compositions and process for preparing them

Details Detergent compositions and process for preparing them Detergent compositions and process for preparing them

C - Chemistry, Metallurgy

11

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C11D 11/00 (2006.01) C11D 3/06 (2006.01) C11D 3/12 (2006.01) C11D 11/04 (2006.01) C11D 17/06 (2006.01)

Patent

CA 1322704

C.3261 US ABSTRACT A granular detergent composition or component therefor having a bulk density of at least 650 g/litre is prepared by granulating a particulate material, preferably spray-dried, in a high-speed mixer/granulator having both a stirring action and a cutting action, in the absence of an agent for improving surface properties. The particulate starting material comprises (a) from 12 to 70 wt% of non-soap detergent-active material (preferably consisting at least partially of anionic detergent-active material) and (b) at least 15 wt% of water-soluble crystalline inorganic salts, including sodium tripolyphosphate and/or sodium carbonate, the weight ratio of (b) to (a) being at least 0.4:1.

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