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:
Feb. 05, 1991
Filed:
Sep. 07, 1989
Applicant:
Inventor:
James N Francis, Maplewood, NJ (US);
Assignee:
Exxon Research and Engineering Company, Florham Park, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 336 ; 252 427 ; 252 464 ; 252 497 ;
Abstract
A lubricating oil composition is provided which comprises a major amount of an oil of lubricating viscosity and a minor amount of an additive formed by contacting molybdenum hexacarboxyl with dixanthogens of the formula (ROCS.sub.2).sub.2 wherein the R is an organo group having a sufficient number of carbon atoms to render the additive formed soluble in the oil. In general, R is the same or different alkyl, aralkyl, and alkoxylalkyl groups having from about 2 to about 20 carbon atoms and preferably R is an alkyl group having from about 4 to about 12 carbon atoms.