Anionic surfactants

US10329518B2 · kind B2 · utility

Assignees

• The Board of Regents of the University of Oklahoma · US
• Novus International, Inc. · US

Inventors

• Graciela B. Arhancet · Holden, US
• Scott Long · Holden, US
• Brian Grady · Norman, US
• Jeff Harwell · Norman, US
• Guangzhe Yu · Diemelstraße, US

Key dates

• Filing date: Jun 29, 2016
• Grant date: Jun 25, 2019
• Expiry date: Mar 13, 2037

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D1/002
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

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.