Compositions – Compositions containing a single chemical reactant or plural... – Organic reactant
Patent
1983-11-30
1985-07-23
Lieberman, Paul
Compositions
Compositions containing a single chemical reactant or plural...
Organic reactant
252132, 252133, 252160, 252174, C11D 1706
Patent
active
045307741
ABSTRACT:
Particulate detergent compositions, especially for use in cold water, contain a detergent active material, an alkaline material and builder particles comprising a carrier material and a saturated fatty acid having at least 16 carbon atoms. The carrier material is water-soluble or water-dispersible to release the fatty acid when the composition is added to a wash liquor. The builder particles have a size of 50 to 5000 microns. Suitable carrier materials include starch, clay, silica and inorganic salts. The fatty acid may be in solid solution with a dispersant such as a nonionic surfactant. When the alkaline material is carbonate, the addition of the builder particles to the wash liquor may be delayed until after a critical state is reached.
REFERENCES:
patent: 4144226 (1979-03-01), Crutchfield et al.
patent: 4146495 (1979-03-01), Crutchfield et al.
patent: 4196095 (1980-04-01), Cala
patent: 4210550 (1980-07-01), Cornelissens
patent: 4273835 (1981-06-01), Higuchi
patent: 4305836 (1981-12-01), Noguchi et al.
patent: 4407722 (1983-10-01), Davies et al.
Davies James F.
Hight Andrew T.
Lee Robert S.
Farrell James J.
Honig Milton L.
Le Hoa Van
Lever Brothers Company
Lieberman Paul
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