Perfluorinated acid fluorides and preparation thereof

US6482979B1 · kind B1 · utility

Assignees

• Dyneon GmbH · DE
• 3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

• Klaus Hintzer · Woodbury, US
• Zai-Ming Qiu · Woodbury, US
• George G. I. Moore · Afton, US
• Werner Schwertfeger · Altötting, DE
• Jay F. Schulz · Eagan, US
• Allan T. Worm · Maplewood, US
• Christopher L. Gross · Woodbury, US

Key dates

• Filing date: Dec 22, 1999
• Grant date: Nov 19, 2002
• Expiry date: Dec 22, 2019

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C51/60
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A method for the preparation of a perfluorinated acid fluoride (especially 3-alkoxy propionic acid fluoride) is provided. The method results in high yields of the acid fluoride.