Biodegradable oleic estolide ester base stocks and lubricants

US6018063A · kind A · utility

Assignee

• The United States of America, as represented by the Secretary of Agriculture · US

Inventors

• Terry Isbell · Elmwood, US
• Thomas P. Abbott · Peoria, US
• Svajus Asadauskas · Peoria, US
• Joseph E. Lohr, Jr. · Hoffman Estates, US

Key dates

• Filing date: Nov 13, 1998
• Grant date: Jan 25, 2000
• Expiry date: Nov 13, 2018

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10N2040/50
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Esters of estolides derived from oleic acids are characterized by superior properties for use as lubricant base stocks. These estolides may also be used as lubricants without the need for fortifying additives normally required to improve the lubricating properties of base stocks.