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US 4,396,520 AGranted
Detergent compositions
AssigneeThe Procter & Gamble Company
InventorsNicholas S. Payne, Keith A. Jones, Eugene J. Pancheri
Life of this patent
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Abstract
Mixtures of specific alkyl polysaccharide detergent surfactants and calcium sensitive anionic detergent surfactants provide superior detergency.
Claims15
A detergent composition comprising:
- (1) an alkylpolysaccharide detergent surfactant having the formula RO(R.sup.1 O).sub.t Z.sub.x wherein R is an alkyl, alkylphenol, hydroxyalkyl, hydroxy alkylphenol, or mixtures thereof, and said alkyl groups contain from about 8 to about 18 carbon atoms;
- wherein each R.sup.1 contains from 2 to about 4 carbon;
- wherein t is from 0 to about 5;
- wherein Z is a moiety derived from a reducing saccharide containing from 5 to 6 carbon atoms;
- and wherein x is is from about 11/2 to about 3;
- (2) a calcium sensitive anionic detergent cosurfactant;
- and
- (3) from 0% to about 95% of a detergent builder, the ratio of (2) to (1) being from about 1:1 to about 6:1 on a molar basis and the free fatty alcohol content being less than about 2%.
5 more elements
Dependencies are inferred from the claim text.