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. 08, 1977
Filed:
Jul. 09, 1975
Applicant:
Inventors:
Sheldon Chibnik, Cherry Hill, NJ (US);
Ferdinand P Otto, Woodbury, NJ (US);
Assignee:
Mobil Oil Corporation, New York, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 427 ; 252 497 ; 252 / ; 2603 / ; 2604299 ; 2604 / ;
Abstract
Lubricant compositions are provided containing a detergency improving amount of a metal complex prepared by (a) reacting a salt or oxide of a metal capable of forming a Werner complex with a compound containing at least one phenolic group to yield the metal salt of said compound; (b) reacting the resulting metal salt with a polyamine having the formula H.sub.2 N(C.sub.2 H.sub.4 NH).sub.x H where x is 1 to 5; and (c) reacting the resulting product with an alkenylsuccinic anhydride characterized by a molecular weight between about 400 and about 3,000.