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. 07, 1983
Filed:
Oct. 16, 1981
Applicant:
Inventor:
Richard J Lee, Downers Grove, IL (US);
Assignee:
Standard Oil Company (Indiana), Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C09K / ;
U.S. Cl.
CPC ...
546-5 ; 2524 / ;
Abstract
Novel zinc N,N'-alkenylsuccinoyl dipyridyl succinate is prepared by the novel reaction between an alkenylsuccinic anhydride, pyridine and zinc catalyzed by zinc chloride in pyridine reaction solvent. The novel zinc salt is useful to inhibit oxidation of hydrocarbon distillates and lubricant oils.