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. 18, 1980
Filed:
Mar. 16, 1978
Applicant:
Inventor:
Gerassimos Frangatos, Cherry Hill, NJ (US);
Assignee:
Mobil Oil Corporation, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 499 ; 252 / ; 2524 / ; 2603 / ; 2603 / ; 2609 / ;
Abstract
The invention provides a lubricant additive having improved antioxidant and antiwear properties made by (1) reacting an alkenylsuccinic anhydride (ASA) with an aminopolyhydroxy compound and (2) reacting the product thus obtained with a phosphorus trihalide and a polyhydroxyaromatic compound. The invention also provides a lubricant composition containing the additive.