Production of formaldehyde

US4010208A · kind A · utility

Assignee

• BASF SE

Inventors

• Albrecht Aicher · Bischofswerda, DE
• Hans Haas
• Heinrich Sperber
• Hans Diem · Mannheim, DE
• Guenther Matthias
• Gunter Lehmann · Ludwigshafen, DE

Key dates

• Filing date: Apr 25, 1974
• Grant date: Mar 1, 1977
• Expiry date: Apr 25, 1994

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C45/38
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The production of formaldehyde by oxidizing dehydrogenation of methanol in the presence of a silver catalyst which consists of three or more layers each of specific weight and particles of specific particle size and having a specific total layer thickness. Formaldehyde prepared according to the process of the invention is a disinfectant, tanning agent, reducing agent and valuable starting material for the production of synthetic resins, adhesives and plastics.