Process for preparing trimethylol compounds and formic acid

US6441254B1 · kind B1 · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Frank Dobert · Earlton, US
• Paul Wagner · Mülheim an der Ruhr, DE
• Alexander Klausener · Neunburg vorm Wald, DE
• Wolfgang Eymann · Neunburg vorm Wald, DE
• Rolf Feller · Mettmann, DE

Key dates

• Filing date: Dec 13, 2001
• Grant date: Aug 27, 2002
• Expiry date: Dec 13, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C51/16
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for preparing trimethylol compounds and formic acid by reaction of formaldehyde and aldehydes in the presence of a nitrogen base and distillation of the resulting reaction mixture in the presence of an auxiliary.