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. 10, 2004
Filed:
Mar. 05, 2002
Applicant:
Inventors:
William T. Sullivan, Brick, NJ (US);
Percy Rohinton Kanga, Cherry Hill, NJ (US);
Thomas Smith Coolbaugh, Yardley, PA (US);
Assignee:
ExxonMobil Chemical Patents Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
C10M / ;
Abstract
This invention relates to a lubricating composition comprising a major amount of an oil of lubricating viscosity, at least one organic polysulfide comprising less than about 88% dihydrocarbyl trisulfide, from up to about 5% dihydrocarbyl disulfide, and more than about 7 wt. % dihydrocarbyl higher polysulfides, and at least one phosphorus or boron compound, or mixtures of two or more thereof. The invention also relates to concentrates and greases containing the above combination. The invention also relates to methods of making the organic polysulfide.