Process for the production of substituted polyaryl ethers

US4705843A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Gunter Stammann · Cologne, DE
• Johann Grolig · Leverkusen, DE
• Helmut Waldmann · Leverkusen, DE

Key dates

• Filing date: Apr 8, 1985
• Grant date: Nov 10, 1987
• Expiry date: Apr 8, 2005

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G65/44
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to a process for the production of substituted polyarylethers from par-substituted phenols.