Process for the preparation of alkyl halogenosilanes

US5068385A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Bruno Degen · Much, DE
• Kurt Feldner · Leverkusen, DE
• Elke Licht · Leverkusen, DE
• Gebhard Wagner · Odenthal, DE

Key dates

• Filing date: Aug 20, 1990
• Grant date: Nov 26, 1991
• Expiry date: Aug 20, 2010

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F7/16
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for the preparation of alkyl halogenosilanes comprising reacting silicon with alkyl halide in the presence of a copper catalyst and promoter substances and phosphorous and phosphorous compounds in combination with indium or indium compounds or aluminum or aluminum compounds or a mixture of aluminum or aluminum compounds and indium or indium compounds.