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US 6,649,578 B1Granted
Di-carboxy alkyl phosphate esters in personal care applications
AssigneeApplied Carbo Chemicals Inc.
InventorAnthony J. O'Lenick, Jr.
Life of this patent
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Abstract
The present invention relates to a process for cleaning and conditioning hair and skin, which comprises contacting the hair or skin with an effective cleansing amount of a phosphate amphoteric. Reacting epoxy succinic acid and a salt of an alkyl phosphate ester under aqueous conditions make the compounds of the present invention.
Claims15
A process for cleaning and conditioning hair and skin, which comprises contacting the hair or skin with an effective cleansing amount of an aqueous solution or emulsion of a phosphate amphoteric conforming to the following structure:
- wherein:
- R1 is:
- CH3(CH2)s—(CH2CH2—O)z—(CH2CH(CH3)O)y—(CH2CH2—O)x—;
- s is an integer ranging from 3 to 21;
- x, y and z are independently integers ranging from 0 to 20;
- M is selected from the group consisting of H, Na, K, Li, and NH4.
3 more elements
Dependencies are inferred from the claim text.