Process of preparing sulfuryl fluoride

US6238642A · kind A · utility

Assignee

• SOLVAY FLUOR und DERIVATE GmbH · DE

Inventors

• Alf Schulz · Großburgwedel, DE
• Matthias Rieland · Hannover, DE
• Eckhard Hausmann · Garbsen, DE

Key dates

• Filing date: Nov 10, 1999
• Grant date: May 29, 2001
• Expiry date: Nov 10, 2019

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01B17/4576
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Sulfuryl fluoride is prepared selectively and in a high yield from sulfur dioxide and elemental fluorine in the presence of an alkali fluoride and hydrogen fluoride. The preferred alkali fluoride is potassium fluoride.