Patent · US Active

Ethoxylated surfactants

US9902690B2 · kind B2 · utility

0Cited by

9References

27Claims

0Family size

Assignees

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

Inventors

Graciela B. Arhancet · Holden, US
Scott Long · Holden, US
Xiaojun Wang · Holdrege, US
Richard Vonder Embse · Holden, US
Brian Grady · Norman, US
Jeff Harwell · Norman, US
Guangzhe Yu · Diemelstraße, US

Key dates

Filing date	Dec 22, 2014
Grant date	Feb 27, 2018
Priority date	—
Expiry date	Dec 22, 2034

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC11D2111/12
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The present invention provides sulfur- or selenium-containing compounds comprising hydrophobic moieties and ethoxylated ester or ethoxylated amide moieties such that the compounds have surfactant properties. Also provided are methods for using the disclosed compounds or mixtures thereof in a variety of applications.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.