Hydrocarbyl dispersants including pendant polar functional...

Details Hydrocarbyl dispersants including pendant polar functional... Hydrocarbyl dispersants including pendant polar functional...

2007-05-08

2007-05-08

Jagannathan, Vasu (Department: 1714)

Solid anti-friction devices, materials therefor, lubricant or se

Lubricants or separants for moving solid surfaces and...

Compound of indeterminate structure, prepared by reacting a...

C508S291000

Reexamination Certificate

active

10749276

ABSTRACT:
A dispersant composition for use as a lubricant additive. The dispersant composition includes a reaction product of an acrylamide and a compound having at least one primary or secondary amine group and being selected from the group consisting of hydrocarbyl-substituted succinimides, hydrocarbyl-substituted amines, and Mannich base adducts derived from hydrocarbyl-substituted phenols condensed with aldehydes and amines. The hydrocarbyl substituent has a number average molecular weight ranging from about 500 to about 5000 as determined by gel permeation chromatography.

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Pirro, D. M., and Wessol, A. A., Lubrication Fundamentals, 2001, Marcel Dekker, Second Edition, p. 22.

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