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. 27, 1982
Filed:
Jun. 14, 1978
Applicant:
Inventor:
William B Chamberlin, III, Kirtland, OH (US);
Assignee:
The Lubrizol Corporation, Wickliffe, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 333 ; 184 / ; 252 334 ; 252 / ;
Abstract
Fuel economy of internal combustion engines, especially gasoline engines, is improved by lubricating such engines with specific lubricant compositions in which the essential ingredients are a specific sulfurized composition and a basic alkali metal sulfonate. Additional ingredients may include at least one oil-dispersible detergent or dispersant, a viscosity improving agent, and a specific salt of a phosphorus acid.