C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 1/94 (2006.01) C11D 3/08 (2006.01) C11D 3/12 (2006.01) C11D 3/20 (2006.01) C11D 3/37 (2006.01) C11D 3/386 (2006.01) C11D 3/39 (2006.01) C11D 3/395 (2006.01) C11D 11/02 (2006.01)
Patent
CA 2088275
2088275 9203525 PCTABS00011 Particulate laundry detergent compositions are disclosed incorporating 5 % to 50 % of a surfactant, from 10 % to 95 % of a three-component non-phosphorus builder system comprising a mixture of a sodium aluminosilicate zeolite, a water-soluble monomeric or oligomeric carboxylate chelating agent and a crystalline layered sodium silicate, and from 0 % to 40 % of non-surfactant, non-builder detergent ingredients. The crystalline layered silicate is of composition NaMSixO2x+1.yH2O where M is sodium or hydrogen, x is a number from 1.9 to 4 and y is a number from 0 to 20. Preferably M is sodium, x is 2 and y is O.
Fraser Douglas G.
Hardy Paul A.
Pretty Alastair J.
Kirby Eades Gale Baker
The Procter & Gamble Company
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