High bulk density detergent composition and process for its prod

Details High bulk density detergent composition and process for its prod High bulk density detergent composition and process for its prod

1989-03-20

1990-05-08

Lieberman, Paul

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

25217414, 25217421, 25217425, 252540, 252559, C11D 3065, C11D 314, C11D 1102, C11D 1706

Patent

active

049236288

ABSTRACT:
A granular low-phosphate detergent composition is prepared by spray-drying a slurry to give a base powder containing a low to moderate level of sodium tripolyphosphate and low levels of inorganic salts, then postdosing solid material, including sodium sulphate, of high bulk density and of smaller particle size than the base powder. The resulting product has a bulk density at least 150 g/liter greater than that of the base powder and shows improved dispensing properties in an automatic washing machine.

REFERENCES:
patent: 3700600 (1972-10-01), Nagel et al.
patent: 3753930 (1973-08-01), Weldes et al.
patent: 4000080 (1976-12-01), Bartolotia et al.
patent: 4136051 (1979-01-01), Saran et al.
patent: 4460491 (1984-07-01), Liem
patent: 4639326 (1987-01-01), Czempik et al.
patent: 4650699 (1987-03-01), Farnworth et al.
Chemical Abstracts 100 158590k--Abstract of Japanese Patent 83/213,099A, 12/'83.

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