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US 4,363,763 AGranted
Polyol esters of alpha-hydroxy carboxylic acids
AssigneeThe Procter & Gamble Company
InventorDonald J. Peterson
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Abstract
Polyol esters of alpha-hydroxy carboxylic acids are disclosed which are excellent oil-in-water emulsifiers for food products, drug delivery vehicles, cosmetic ointments and the like. The compounds are also useful as detergent surfactants and can be combined with cosurfactants, builders and detergent adjunct materials.
Claims11
A polyol monoester of an alpha-hydroxy carboxylic acid of the formula ##STR11## wherein R is a hydrocarbyl group containing from about 6 to about 20 carbon atoms and the polyol is selected from the group consisting of:
- (a) glycols containing from 1 to about 20 C.sub.2 -C.sub.3 alkylene oxide units and mixtures thereof;
- (b) glycerols of the formula ##STR12## wherein n is from 1 to 10, and isomers thereof, provided that R is an alkyl group containing about 10 carbon atoms when n is 1;
- (c) polyols of the formula ##STR13## wherein n is from 2 to 4;
- (d) pentaerythritol and dipentaerythritol;
- (e) inositol;
- and
- (f) monosaccharides and disaccharides containing 5 or 6 carbon atoms per saccharide unit.
4 more elements
Dependencies are inferred from the claim text.