C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
134/3.2
C11D 1/94 (2006.01) C11D 1/83 (2006.01) C11D 1/29 (2006.01) C11D 1/75 (2006.01)
Patent
CA 2011578
A liquid detergent composition suitable especially for dishwashing by hand. The composition contains from 10 to 80%wt of an active detergent mixture of (a) primary alkyl sulphate (PAS), (b) alkyl ether sulphate (AES), (c) water soluble nonionic detergent active material and (d) betaine and/or amine oxide, and also water, wherein: (i) the AES has an average ethoxylation value of between 1 and 5, and weight ratio of PAS:AES is in the range 2:1-1:3; and, (ii) the molar ratio of PAS to said betaine and/or amine oxide is in the range 3:1-1:3; and, (iii) the nonionic detergent comprises more than 35%, but less than 50% by weight of the active detergent mixture. Compositions of the invention can provide a combination of good performance and good mildness.
Bereskin & Parr
Plc Unilever
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