Cooling medium for use at elevated temperatures

US6207072A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Aziz E. Sayed · Leverkusen, DE
• Detlev Joachimi · Krefeld, DE
• Hartwig Meier · Odenthal, DE
• Karsten-Josef Idel · Krefeld, DE

Key dates

• Filing date: Apr 3, 1998
• Grant date: Mar 27, 2001
• Expiry date: Apr 3, 2018

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K5/10
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A coolant containing 35-65 wt. % polyethylene glycol and 65-35 wt. % ethylene glycol, which is especially useful for cooling motor vehicle engines.