Catalyst for partial hydrogenation

US4001344A · kind A · utility

Assignee

• BASF SE

Inventors

• Herwig Hoffmann · Bischofswerda, DE
• Guenther Boettger
• Karl Baer · Weinheim, DE
• Harro Wache
• Heinz Graefje · Ludwigshafen, DE
• Wolfgang Koernig · Dossenheim, DE

Key dates

• Filing date: Jun 30, 1975
• Grant date: Jan 4, 1977
• Expiry date: Jun 30, 1995

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C29/17
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A palladium catalyst for the maufacture of butene-2-diol-1,4 from technical butynediol obtained by reacting acetylene and formaldehyde by the Reppe method in contact with copper catalysts and not specially purified contains (in addition to palladium) both zinc and cadmium, or either zinc or cadmium together with bismuth or tellurium.