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:
Jun. 23, 1981
Filed:
Sep. 18, 1979
Applicant:
Inventor:
Gifford G McClaflin, Ponca City, OK (US);
Assignee:
Conoco, Inc., Ponca City, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
208181 ; 585854 ; 2082 / ; 208253 ;
Abstract
A method of removing metal alkaryl sulfonates from a hydrocarbon solution is disclosed. Briefly, the method comprises (a) contacting the hydrocarbon solution containing metal alkaryl sulfonates with an aqueous basic solution containing a 'recovery' surfactant, (b) forming a hydrocarbon phase and an aqueous phase containing metal alkaryl sulfonates and (c) separating the hydrocarbon phase and the aqueous phase.