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:
Dec. 15, 1981
Filed:
Sep. 11, 1980
Applicant:
Inventors:
Andrew L Johnson, III, Overland Park, KS (US);
Ray D Lawson, Shawnee, KS (US);
Jon C Root, Leawood, KS (US);
Assignee:
Southwest Petro-Chem, Inc., Olathe, KS (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ; C10M / ;
U.S. Cl.
CPC ...
252 18 ; 252 22 ; 252 25 ;
Abstract
Lubricant compositions adapted for use under extreme pressure conditions comprising a major proportion of a lubricating grease, and a minor proportion of an additive consisting essentially of a solid, oil insoluble arylene sulfide polymer, and a metal salt, particularly an alkali metal or alkaline earth metal salt, particularly an alkali metal or alkaline earth metal salt of a phosphorus acid, for example, mono- or dicalcium phosphate, or an alkali metal or alkaline earth metal carbonate exemplified by calcium carbonate, or a mixture of such a phosphate salt and carbonate.