C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
134/27
C11D 1/29 (2006.01) C11D 1/94 (2006.01) C11D 1/10 (2006.01) C11D 1/12 (2006.01) C11D 1/28 (2006.01) C11D 1/52 (2006.01)
Patent
CA 1205347
MILD LIQUID DETERGENT COMPOSITIONS ABSTRACT OF THE DISCLOSURE Liquid detergent compositions having good foaming and grease emulsification properties as well as reduced skin irritation effects which consist essentially of, by weight, 8% to 30% of a water-soluble C10-C16 alkyl ether ethylenoxy sulfate salt con- taining an average of 5 to 12 moles of ethylene oxide in the molecule, a supplementary, water-soluble, non-soap, anionic detergent having in its molecular structure a C8-C22 alkyl, alkenyl or acyl group, and a sulfonate, sulfate or carboxylate group, the weight ratio of said alkyl ether sulfate to said supplementary detergent being in the range of 1:1 to 20:1; 1% to 8% of a zwitterionic detergent having the structural formula Image wherein R is a C8-C18 alkyl or C8-C18 alkanamido C2-C3 alkyl group, R1 is a C1-C3 alkyl, R2 is a C1-C4 alkylene or hydroxy- alkylene and X is S:O or C; 1% to 8% of an N-C8-C18 alkonoic acid C2-C3 alkanolamide, the weight ratio of said alkanolamide to said zwitterionic detergent being in the range of 1:4 to 4:1; and the balance being an aqueous medium comprising water and from 2% to 20% of a solubilizer selected from the group consisting of C2-C3 alcohols, hydrotropes and mixtures thereof. Preferred compositions include, in addition, 2% to 10% by weight of an anti-gelling agent, such as a water-soluble formate. These compositions are characterized by good foaming, cleaning and skin mildness characteristics and are suitable for use as shampoos, dishwashing liquids, liquid soaps and foam baths.
421891
Klisch Stephen C.
Lai Kuo-Yann
Robbins Clarence R.
Colgate-Palmolive Company
Smart & Biggar
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