C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 1/83 (2006.01) C11D 3/00 (2006.01) C11D 3/04 (2006.01) C11D 3/08 (2006.01) C11D 3/12 (2006.01) C11D 3/37 (2006.01) C11D 10/04 (2006.01) C11D 1/22 (2006.01) C11D 1/72 (2006.01) C11D 1/75 (2006.01)
Patent
CA 2126238
2126238 9312217 PCTABS00023 A phosphate-free granular laundry detergent having a cleaning performance comparable to that of a premium phosphate-containing laundry detergent comprises: (A) 1-30 % by weight of a surfactant, (B) 1-50 % by weight of a sodium aluminum silicate detergent builder, (C) 1-20 % by weight of sodium silicate, (D) 0.1-5 % by weight of an anti-redeposition agent, and (E) 10-80 % by weight of inorganic filler, the surfactant consisting of: (1) a mixture of 20-98 % by weight of an ethoxylated fatty alcohol, 1-75 % by weight of an alkali metal or ammonium salt of an alkylbenzene sulfonate in which the alkyl group contains 10-18 carbons, and 1-20 % by weight of an amine oxide corresponding to the formula RR'R''NO in which R is a primary alkyl group containing 8-24 carbons; R' is methyl, ethyl, or 2-hydroxyethyl; and R'' is independently selected from methyl, ethyl, 2-hydroxyethyl, and primary alkyl groups containing 8-24 carbons, or (2) a mixture of 85-98 % by weight of the ethoxylate, 1-12 % by weight of a fatty acid soap, and 1-6 % by weight of the amine oxide.
Borland James E.
Crutcher Terry
Sauer Joe D.
Smith Kim R.
Corporation Ethyl
Macrae & Co.
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