Patent · US Active

Sulfonate surfactants and methods of preparation and use

US8304377B2 · kind B2 · utility

1Cited by

17References

9Claims

0Family size

Assignee

DOW GLOBAL TECHNOLOGIES LLC · US

Inventors

Wanglin Yu · Midland, US
Cynthia L. Rand · Sanford, US
Edward D. Daugs · Midland, US
Yang Cheng · Midland, US
Irina V. Graf · Lake Jackson, US
Andre B. Argenton · Midland, US
Kari S. Phillipson · Hemlock, US

Key dates

Filing date	Jun 30, 2010
Grant date	Nov 6, 2012
Priority date	—
Expiry date	Feb 25, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC11D1/143
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Provided are new anionic surfactants and methods of their preparation and use. The surfactants are compounds of the formula I:wherein R, R1, R2, R3, R4, R5, and R6 are as defined herein.

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