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:
Mar. 05, 1991
Filed:
Mar. 30, 1990
Applicant:
Inventors:
John W Frankenfeld, Hoboken, NJ (US);
Alan R Katritzky, Gainesville, FL (US);
Assignee:
Exxon Research and Engineering Company, Florham Park, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 50 ; 252405 ;
Abstract
The addition of certain aromatic substituted benzotriazole compounds to a lubricant imparts improved oxidation stability to the lubricant. The oxidation stability is particularly enhanced when the substituents on the substituted aromatic ring are strong electron donors.