Compositions of fluorochemical surfactants

US7547732B2 · kind B2 · utility

Assignee

• 3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

• George G. I. Moore · Afton, US
• William M. Lamanna · Stillwater, US
• Michael S. Terrazas · Prescott, US
• Rudolf J. Dams · Ekeren, BE
• Johan E. De Witte · Malle, BE

Key dates

• Filing date: Aug 30, 2005
• Grant date: Jun 16, 2009
• Expiry date: Apr 25, 2027

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D1/004
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Described are monomeric fluorochemical surfactants having two perfluoroalkyl sulfonamido segments and two hydrophilic group, which are more efficient and effective in lowering the surface tension of organic solvents and water compared to other C4-based fluorochemical surfactants.