Patent · US Active

Partially fluorinated sulfonated surfactants

US8263800B2 · kind B2 · utility

6Cited by

16References

11Claims

0Family size

Assignee

E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

Peter Michael Murphy · Ooltewah, US
Tracy Hewat · Edinburgh, GB

Key dates

Filing date	Jul 1, 2008
Grant date	Sep 11, 2012
Priority date	—
Expiry date	Jul 12, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC11D1/004
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The present invention comprises a compound comprising Formula 1A, 1B, or 1C(Ra—O—CO—)2X Formula 1ARa—O—CO—X—CO—O—(CH2CH2)Rf Formula 1BRa—O—CO—X—CO—O—R Formula 1Cwherein

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