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:
May. 04, 1982
Filed:
Nov. 20, 1978
Applicant:
Inventors:
Roger W Watson, Batavia, IL (US);
Joseph S Strukl, Lisle, IL (US);
Assignee:
Standard Oil Company (Indiana), Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 334 ; 252 325 ; 252 / ; 252 427 ;
Abstract
Disclosed are compositions of matter and a method for their manufacture, and lubricating oil compositions containing such compositions. The compositions of matter comprise the reaction product of basic compound comprising overbased metal sulfonate, phenate, or mixtures thereof, with acidic compound comprising organic carboxylic acid, organic carboxylic acid anhydride, phosphoric acid, phosphoric acid ester, thiophosphoric acid ester, or mixtures thereof.