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. 25, 1976
Filed:
Dec. 20, 1972
Applicant:
Inventor:
Albert R Sabol, Munster, IN (US);
Assignee:
Standard Oil Company, Chicago, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 33 ; 252 18 ; 252 25 ; 252334 ;
Abstract
Over-based oil-soluble barium alkenyl sulfonates wherein the alkenyl moiety is a propene or butene polymer having a number average molecular weight of about 250-500 are obtained by heating a mixture of ammonium alkenyl sulfonates, a precarbonated mixture of barium oxide in methanol, barium oxide and water in the range of about 160-190.degree.F for time sufficient to convert the ammonium sulfonate to barium sulfonate.