Aryl ethynyl phthalic anhydrides and polymers with terminal or pendant amines prepared with aryl ethynyl phthalic anhydrides

US5493002A · kind A · utility

Assignees

• VIRGINIA TECH INTELLECTUAL PROPERTIES, INC. · US
• Virginia Polytechnic Institute and State University · US

Inventors

• James E. McGrath · Blacksburg, US
• Gerald Meyer · Ludwigshafen, DE

Key dates

• Filing date: Jul 6, 1994
• Grant date: Feb 20, 1996
• Expiry date: Jul 6, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F9/5537
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Arylethynyl phthalic anhydrides have been synthesized and shown to have particular application as endcappers or pendant groups in high performance/high temperature thermosets which include amine terminal or amine pendant groups.