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. 24, 1976
Filed:
Jan. 21, 1975
Applicant:
Inventors:
George A Clarke, Jr, Westfield, NJ (US);
Gary L Harting, Westfield, NJ (US);
Assignee:
Exxon Research & Engineering Co., Linden, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ; C10M / ; C10M / ;
U.S. Cl.
CPC ...
252 18 ; 252 25 ; 252392 ;
Abstract
A lubricating grease having an exceptional ability to protect metal bearing surfaces against rusting or corrosion in the presence of salt water contains a synergistic combination of a lithium complex grease thickener, a quaternary ammonium nitrate and an amino imidazoline. The grease thickener is a complex of a lithium soap of a C.sub.12 to C.sub.24 hydroxy fatty acid and a monolithium salt of boric acid, and can include as a third component a lithium salt of a second hydroxycarboxylic acid such as salicyclic acid