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:
Oct. 07, 1997
Filed:
Sep. 21, 1995
Richard Henry Schlosberg, Bridgewater, NJ (US);
Walter Weissman, Berkeley Heights, NJ (US);
Maciej Radosz, Baton Rouge, LA (US);
Gerald Dennis Dupre', Flemington, NJ (US);
Ralph Donald Gray, Jr, Morristown, NJ (US);
John Eric Johnston, Warren, NJ (US);
Patrick Edward Godici, Millington, NJ (US);
Richard Samuel Polizzotti, Milford, NJ (US);
Lawrence Harold Kaplan, Clinton, NJ (US);
Exxon Chemical Patents Inc, Houston, TX (US);
Abstract
A low emissions, high oxidative stability crankcase lubricating oil formulation which is prepared from a base stock which comprises at least one synthetic ester selected from the group consisting of: polyol esters, synthetic esters having between 5-35% unconverted hydroxyl groups, based on the total amount of hydroxyl groups in the polyol, and synthetic esters combined with at least one additional functional group which is capable of increasing the polarity of the functionalized synthetic ester, wherein the base stock has an oxygen, nitrogen or halogen content of at least 15 wt. %, based on the total weight of the base stock; and a lubricant additive package.