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:
Sep. 13, 1983
Filed:
Dec. 22, 1980
Applicant:
Inventors:
Phillip M Beazley, Littleton, CO (US);
Frank L Dormish, Denver, CO (US);
Assignee:
Marathon Oil Company, Findlay, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
252 / ; 2605 / ; 2605 / ;
Abstract
A process for the sulfonation of a hydrocarbon feedstock, particularly one containing naphthenes, is improved by ozonating the hydrocarbon feedstock prior to sulfonation. The ozonation results in a greater conversion of the sulfur trioxide to sulfonate, a reduction in the salts, for example, sulfites, which are formed, a decrease in the amount of colored bodies and a more efficient extraction and separation of unreacted hydrocarbons from the sulfonated product. The process is especially applicable to petroleum feedstocks such as crude oil, topped crude oil, gas oil and mixtures thereof.