Diphenol monoesters of carboxylic acids and process for their preparation

US4927903A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Manfred Schreckenberg · Krefeld, DE
• Rolf Dhein · Krefeld, DE
• Hans Rudolph · Krefeld, DE

Key dates

• Filing date: May 9, 1986
• Grant date: May 22, 1990
• Expiry date: May 9, 2006

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K5/42
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention relates to diphenol monoesters of carboxylic acids, a process for their preparation, their use for the preparation of polyester-carbonates, the polyester-carbonates obtainable according to the invention and flame-repellent moulding compositions containing these polyester-carbonates.