Polyamide imides produced from either lactams or polyamides with isocyanates or anhydrides in which products are precipitated with a non-solvent

US4628079A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Wilfried Zecher · Leverkusen, DE
• Rolf Dhein · Krefeld, DE
• Klaus Reinking · Wermelskirchen, DE

Key dates

• Filing date: Jun 20, 1985
• Grant date: Dec 9, 1986
• Expiry date: Jun 20, 2005

Classification

• Technology area (CPC H): Electricity
• CPC primary: H01B3/306
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

This invention relates to the use of polyamide imides as thermoplasts.