Anionic surfactants
AssigneesThe Board of Regents of the University of Oklahoma, Novus International, Inc.
InventorsGraciela B. Arhancet, Scott A. Long, Brian Grady, Jeff Harwell, Guangzhe Yu
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Abstract
Monomeric and oligomeric compounds of Formula (I) comprising hydrophobic alkyl or alkenyl ester moieties and hydrophilic carboxylate moieties: wherein R1 is C1-C6 alkyl, R2 is Cl0-C30 alkyl or C8-C30 alkenyl, Y is a cation, Z is a sulfur-containing moiety, and n and k are integers as defined herein. The compounds of Formula (I) have surfactant properties. Also provided are compositions comprising the compounds of Formula (I), and methods of using the compounds or compositions for cleaning purposes.
Claims14
A compound of Formula (I):
- wherein:
- R1 is C1-C6 alkyl;
- R2 is C10-C30 alkyl or C8-C30 alkenyl;
- Y is a cation chosen from hydrogen, ammonium, alkali metal, alkaline earth metal, or transition metal;
- Z is sulfur, sulfoxide, or sulfone;
- k is an integer from 1 to 10 ;
- and
- n is an integer from 1 to 3.
Dependencies are inferred from the claim text.