The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 01, 2006
Filed:
Dec. 23, 2003
Susan M. Abernathy, Hercules, CA (US);
David C. Kramer, San Anselmo, CA (US);
John M. Rosenbaum, Richmond, CA (US);
Stephen J. Miller, San Francisco, CA (US);
Russell R. Krug, Novato, CA (US);
Susan M. Abernathy, Hercules, CA (US);
David C. Kramer, San Anselmo, CA (US);
John M. Rosenbaum, Richmond, CA (US);
Stephen J. Miller, San Francisco, CA (US);
Russell R. Krug, Novato, CA (US);
Chevron U.S.A. Inc., San Ramon, CA (US);
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.