Process for the production of high-purity bisphenol A

US5300700A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Georg Malamet · Krefeld, DE
• Hans-Peter Wirges · Krefeld, DE
• Claus Wulff · Krefeld, DE
• Alfred Eitel · Dormagen, DE

Key dates

• Filing date: Apr 20, 1993
• Grant date: Apr 5, 1994
• Expiry date: Apr 20, 2013

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C37/84
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to a special process for the production of high-purity bisphenol A from acetone and phenol in the presence of acidic catalysts.