Antifreeze concentrates based on dicarboxylic acids, molybdate and triazoles or thiazoles, and coolant compositions comprising them

US6802988B1 · kind B1 · utility

Assignee

• BASF SE

Inventors

• Bernd Wenderoth · Lampertheim, DE
• Ralf Strauss · Huntersville, US
• Jacques Lonchampt · Montbéliard, FR

Key dates

• Filing date: Apr 17, 2002
• Grant date: Oct 12, 2004
• Expiry date: Oct 15, 2022

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K5/20
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Antifreeze concentrates are based on a mixture of at least two different C3- to C16-dicarboxylic acids, molybdate and a mixture of at least two different triazoles or thiazoles.