Process for preparing alkylphosphonic acids

US6420598B1 · kind B1 · utility

Assignee

• Clariant Corporation · DE

Inventors

• Norbert Weferling · Hürth, DE
• Martin Sicken · Cologne, DE
• Hans-Peter Schmitz · Mönchengladbach, DE

Key dates

• Filing date: Jun 12, 2000
• Grant date: Jul 16, 2002
• Expiry date: Jun 12, 2020

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F9/3808
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for the preparation of alkylphosphonic acids, which comprises reacting phosphorous acid (H3PO3) with short-chain olefins, and to the use of the products prepared by this process.