Production of polyamide imides

US5093457A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Wilfried Zecher · Leverkusen, DE
• Rolf Dhein · Krefeld, DE
• Aziz El-Sayed · Leverkusen, DE
• Wilfried Haese · Rheydt, DE

Key dates

• Filing date: Aug 21, 1989
• Grant date: Mar 3, 1992
• Expiry date: Aug 21, 2009

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G18/3821
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to a process for the production of polyamide imides from diimidodicarboxylic acids, trimellitic imidocarboxylic acids and diisocyanates and to their use as moldings, films and binders for paints.