Use as antifreeze of polymers with recurring succinyl units

US5942150A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Lutz Heuer · Blomberg, DE
• Winfried Joentgen · Neunburg vorm Wald, DE
• Torsten Groth · Reinbek, DE
• Ralf-Johann Moritz · Neuss, DE

Key dates

• Filing date: Feb 10, 1998
• Grant date: Aug 24, 1999
• Expiry date: Feb 10, 2018

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K5/20
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Polymers having repeating succinyl units, especially polyaspartic acids, are suitable for antifreezing compositions.