Process for the preparation of polyesters using mannitol or sorbitol derivatives, mixtures of polyesters and these mannitol or sorbitol derivatives and the use thereof for the production of aqueous stoving lacquers

US4418174A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Rolf Dhein · Krefeld, DE
• Lothar Backer · Gräfenhainichen, DE
• Jochen Schoeps · Krefeld, DE

Key dates

• Filing date: Apr 8, 1982
• Grant date: Nov 29, 1983
• Expiry date: Apr 8, 2002

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09D167/00
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Dianhydromannitol, dianhydrosorbitol, dianhydromannitol semi-esters and dianhydrosorbitol semi-esters are outstanding raw materials for the production of aqueous stoving lacquers based on polyesters.