Process for purifying hydrogen fluoride

US5411726A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Andreas Bulan · Langenfeld, DE
• Rainer Weber · Leverkusen, DE
• Hans-Dieter Block · Cologne, DE
• Hans-Heinrich Moretto · Cologne, DE

Key dates

• Filing date: Jan 31, 1994
• Grant date: May 2, 1995
• Expiry date: Jan 31, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01B11/24
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The invention relates to a process for purifying industrial anhydrous hydrogen fluoride by means of oxygen difluoride.