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:
Aug. 04, 1981
Filed:
Oct. 05, 1979
Applicant:
Inventors:
Luke A Schaap, South Holland, IL (US);
John H Udelhofen, Wheaton, IL (US);
Samuel W Harris, Naperville, IL (US);
Assignee:
Standard Oil Company (Indiana), Chicago, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 / ; 252 332 ; 252 427 ; 252 39 ; 252 496 ;
Abstract
An improved low viscosity (i.e.) 5 W to 71/2 W engine oil resistant to oxidation and consumption comprising a major portion of a lubricating oil stock, a sulfurized oil, a dispersant, an anti-corrosion agent, an anti-rust agent, a detergent, an anti-oxidant, and a viscosity index improver.