Obtaining glycols of low aldehyde content

US6133489A · kind A · utility

Assignee

• BASF SE

Inventors

• Jurgen Mohr · Grünstadt, DE
• Frans Vansant · Kalmthout, BE

Key dates

• Filing date: Jul 16, 1998
• Grant date: Oct 17, 2000
• Expiry date: Jul 16, 2018

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C29/80
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for obtaining glycols of low aldehyde content in which the plant used to obtain the glycol(s) is surface-treated, in whole or in part, with at least one reductive phosphorus compound.