Composition of lubricating base oil with high monocycloparaffins and low multicycloparaffins

US7083713B2 · kind B2 · utility

Assignee

• CHEVRON U.S.A. INC. · US

Inventors

• Susan M. Abernathy · Hercules, US
• David C. Kramer · San Anselmo, US
• John M. Rosenbaum · Richmond, US
• Stephen J. Miller · San Francisco, US
• Russell R. Krug · Novato, US

Key dates

• Filing date: Dec 23, 2003
• Grant date: Aug 1, 2006
• Expiry date: Dec 23, 2023

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S208/95
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A composition of lubricating base oil having a weight percent of all molecules with at least one aromatic function less than 0.30, a weight percent of all molecules with at least one cycloparaffin function greater than 10, and a ratio of weight percent of molecules with monocycloparaffins to weight percent of molecules with multicycloparaffins greater than 15.