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:
Mar. 06, 1984
Filed:
Apr. 19, 1982
Applicant:
Inventors:
Cecil G Brannen, Wayne Township, DuPage County, IL (US);
Mack W Hunt, Naperville, IL (US);
Assignee:
Standard Oil Company, (Indiana), Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 332 ; 252 427 ; 2523 / ; 252 333 ; 252 18 ; 252 25 ;
Abstract
Overbased magnesium phenate compositions are prepared by reacting magnesium oxide in a diluent with: (1) a hydrocarbyl-substituted phenol and/or a sulfurized hydrocarbyl-substituted phenol, (2) an ammonium sulfonate, (3) a monohydric alcohol of from 1 to 4 carbon atoms and (4) water; removing the alcohol; and treating the resulting material with carbon dioxide.