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:
Dec. 10, 1985
Filed:
Oct. 11, 1983
Applicant:
Inventors:
Assignee:
Exxon Research & Engineering Co., Florham Park, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07B / ;
U.S. Cl.
CPC ...
2605 / ; 2605 / ;
Abstract
Oil soluble basic magnesium sulphonates useful as lubricating oil additives are prepared by blowing carbon dioxide through a mixture of sulphonic acid or its sulphonate, magnesium oxide, a hydrocarbon solvent, water, a C.sub.3 to C.sub.6 ketone and a reaction promoter.