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:
Apr. 28, 1981
Filed:
Apr. 02, 1979
Applicant:
Inventors:
Ian D Campbell, Sarnia, CA;
James H Norton, Crounna, CA;
Assignee:
Exxon Research & Engineering Co., Florham Park, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 / ; 252 45 ; 252 466 ;
Abstract
A metalworking lubricant composition which is particularly effective in high-temperature forging operations comprising a major amount of a naphthenic base oil which includes at least about 20 weight % of reduced naphthenic crude oil and preferably a minor amount of an additive which is either a zinc dihydrocarbyl dithiophosphate or a selected sulfur containing compound.