Unsaturated homopolymerizable and/or copolymerizable polyester resins

US4146703A · kind A · utility

Assignee

• Firma Dr. Beck & Co. AG · DE

Inventors

• Karl Schmidt · Hamburg, DE
• Hans Dannebaum, deceased · Ahrensburg, DE
• Gerhard Brockmann · Aerzen, DE

Key dates

• Filing date: Aug 22, 1977
• Grant date: Mar 27, 1979
• Expiry date: Aug 22, 1997

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G63/6858
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Unsaturated homopolymerizable or copolymerizable polyester resins having incorporated therein at least one 5 or 6-membered cyclic imide group, and methods for their preparation are described.