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. 28, 1994
Filed:
Oct. 28, 1992
Applicant:
Inventors:
Stanley J Brois, Westfield, NJ (US);
Antonio Gutierrez, Mercerville, NJ (US);
Assignee:
Exxon Research & Engineering, Florham Park, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10L / ;
U.S. Cl.
CPC ...
44336 ; 540474 ; 544242 ; 44329 ; 44335 ;
Abstract
There are disclosed macrocyclic and polycyclic polyamine lubricating oil additives formed by cyclodehydration of reaction products of hydrocarbon substituted succinic anhydrides or carboxylic acids with poly 3-amino propyl compounds or by acylation of macrocyclic polyamines and polycyclic polyamines with hydrocarbon substituted succinic anhydride or carboxylic acids. These compounds are useful as dispersants and dispersants-V.I. improvers in both gasoline and diesel engine lubricating oil compositions and are also useful fuel additives.