Process for manufacturing fluoroolefins

US7250540B2 · kind B2 · utility

Assignee

• 3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

• Gerald L. Bauer · Wilton, US
• Jeffrey D. Weigelt · Windom, US
• Klaus Hintzer · Woodbury, US
• Gernot Loehr · Altötting, DE
• Werner Schwertfeger · Altötting, DE
• Arthur A. Ponelis · Pretoria, ZA

Key dates

• Filing date: Jun 29, 2005
• Grant date: Jul 31, 2007
• Expiry date: Jan 28, 2026

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C25B3/28
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for manufacturing fluoroolefins comprising perfluorinating a starting material comprising at least one carbon-bonded hydrogen by electrochemical fluorination, dissociating this separated effluent in a pyrolysis, quenching and separating the effluent to yield tetrafluoroethylene and/or hexafluoropropylene.