Glyceryl ethers as preservatives for cooling lubricants

US7268102B2 · kind B2 · utility

Assignee

• Air Liquide Santé (International) · FR

Inventors

• Wolfgang Beilfuss · Hamburg, DE
• Ralf Gradtke · Tornesch, DE
• Wolfgang Siegert · Ellerau, DE
• Karl-Heinz Diehl · Norderstedt, DE
• Klaus Weber · Hamburg, DE

Key dates

• Filing date: May 30, 2003
• Grant date: Sep 11, 2007
• Expiry date: Dec 24, 2024

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10N2070/02
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Cooling lubricant (concentrate or solution) comprising a cooling lubricant base based on mineral and/or synthetic oil and preservative comprising (a) one or more 1- or 2-(C3 to C24 alkyl) glyceryl ethers.