Preparation of O-substituted hydroxylammonium salts

US5382685A · kind A · utility

Assignee

• BASF SE

Inventors

• Ulrich Klein · Schifferstadt, DE
• Ernst Buschmann · Ludwigshafen, DE
• Michael Keil · Freinsheim, DE
• Norbert Goetz
• Horst Hartmann · Dresden, DE

Key dates

• Filing date: Oct 5, 1993
• Grant date: Jan 17, 1995
• Expiry date: Oct 5, 2013

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C239/20
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

O-substituted hydroxylammonium salts are prepared by hydrolysis of acetone oxime ethers with acid in the presence of an additive, removing acetone and water by distillation with the aid of the additive.