Dispersant and VI improver additive and lubrication oil composit

Details Dispersant and VI improver additive and lubrication oil composit Dispersant and VI improver additive and lubrication oil composit

1991-06-19

1993-04-27

Howard, Jacqueline

Compositions

Electrolytes for electrical devices

252 51, 252401, 252403, 525293, 525333006, C10M10556

Patent

active

052059499

ABSTRACT:
An additive composition comprising a graft and derivatized block copolymer prepared from a styrene-ethylenebutylene-styrene characterized in that unsaturation in the styrene blocks is equal to or greater than 50 percent, and the ethylenebutylene block is hydrogenated leaving no more than 10 percent unsaturation which has been grafted with at least one olefinic carboxylic acid acylating agent and then derivatized with an aminoaromatic compound from the group consisting of aminopyridines, aminopyrazines and aminopyrimidines, and a lubricating oil composition containing same are provided.

REFERENCES:
patent: 3474034 (1969-02-01), Coleman
patent: 4358565 (1982-11-01), Eckert
patent: 5013469 (1991-05-01), DeRosa et al.
patent: 5075383 (1991-12-01), Migdal et al.

Affiliated with

Also associated with

Rating

Dispersant and VI improver additive and lubrication oil composit does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Dispersant and VI improver additive and lubrication oil composit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dispersant and VI improver additive and lubrication oil composit will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2324865