05186851 is referenced by 55 patents and cites 28 patents.

The present invention is directed to oil-soluble lubricating oil additives comprising Mannich Base condensates of an alkyl substituted hydroxy aromatic compound with formaldehyde and an amine, wherein the alkyl-moiety of the aromatic compounds is derived from at least one ethylene alpha-olefin copolymer of 300 to 10,000 number average molecular weight, wherein at least about 30% of the polymer's chains contain terminal ethenylidene unsaturation. The Mannich Base condensates of this invention are useful as dispersants.

Title
Ethylene alpha-olefin copolymer substituted mannich base lubricant dispersant additives
Application Number
226604
Publication Number
5186851
Application Date
April 7, 1992
Publication Date
February 16, 1993
Inventor
Robert A Kleist
Bayonne
NJ, US
Robert D Lundberg
Bridgewater
NJ, US
Won R Song
Short Hills
NJ, US
Antonio Gutierrez
Mercerville
NJ, US
Agent
R A Negin
J B Murray Jr
Assignee
Exxon Chemical Patents
NJ, US
IPC
C10M 159/16
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