Method of preparing inorganic pentafluorides

US6645451B1 · kind B1 · utility

Assignee

• SOLVAY FLUOR und DERIVATE GmbH · DE

Inventors

• Alf Schulz · Großburgwedel, DE
• Dirk Seffer · Neustadt, DE
• Matthias Rieland · Hannover, DE
• Werner Rudolph · Hannover, DE

Key dates

• Filing date: Jun 16, 1997
• Grant date: Nov 11, 2003
• Expiry date: Mar 13, 2018

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01B25/10
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The preparation of phosphorus pentafluoride and arsenic pentafluoride by reacting corresponding trihalides with elemental chlorine, bromine or iodine and also with hydrogen fluoride.