Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Compound of indeterminate structure – prepared by reacting an...
Patent
1996-06-26
1997-06-17
Acquah, Samuel A.
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Compound of indeterminate structure, prepared by reacting an...
528129, 528137, 528149, 528162, 528230, 528266, C10M14900
Patent
active
056393962
ABSTRACT:
A process for producing an oil soluble interpolymer polymer of 1,2-alkylenediamine such as N-ethyl ethylenediamine, aldehyde-provider such as formaldehyde, and ortho-unsubstituted hydroxyaromatics such as 4-polyalkylene phenol is disclosed. The decyclized Mannich Base monomer units provide a higher viscosity material which is suitably substituted with a long chain hydrocarbyl para substituent such as polyisobutylene or ethylene/alpha-olefin polymer. Various ortho-substituted hydroxyaromatics such as o-cresol may be used to control the degree of polymerization. The polymers are useful as dispersants or other lubricant additives.
REFERENCES:
patent: 4810354 (1989-03-01), Roling et al.
Gutierrez Antonio
Thaler Warren A.
Zushma Stephen
Acquah Samuel A.
Bakun Estelle C.
Exxon Chemical Patents Inc.
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