Alkylphosphorofluoridothioates having low wear volume and methods for synthesizing and using same

US8791056B2 · kind B2 · utility

Assignee

• The Board of Regents of the University of Texas System · US

Inventors

• Xin Chen · Crystal Lake, US
• Pranesh Aswath · Grapevine, US
• Ronald L. Elsenbaumer · Morristown, US

Key dates

• Filing date: Jun 24, 2011
• Grant date: Jul 29, 2014
• Expiry date: Nov 7, 2031

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10N2070/00
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Alkylphosphorofluoridothioates containing alkyl groups of greater than four carbons which exhibit significantly lower wear volume compared to ZDDP, methods of making same with high yields, and methods of using same as lubricant additives.