Use of special polyimides as cast films and coatings

US4908430A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Wilfried Zecher · Leverkusen, DE
• Dieter Arlt · Cologne, DE
• Lutz Schrader · Krefeld, DE
• Werner Waldenrath · Cologne, DE

Key dates

• Filing date: May 2, 1988
• Grant date: Mar 13, 1990
• Expiry date: May 2, 2008

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G73/105
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

This invention relates to the use of new special polyimides for the production of cast films and coatings.