Compositions – Electrolytes for electrical devices
Patent
1995-06-14
1996-04-30
Willis, Jr., Prince
Compositions
Electrolytes for electrical devices
575 64, 575 92F, 575381, 575382, C10M14500
Patent
active
055121926
ABSTRACT:
A composition of matter suitable for use as a dispersant-viscosity improver for lubricating oil compositions comprises the reaction product of reactants comprising
(a) an oil soluble, substantially hydrogenated, vinyl substituted aromatic-aliphatic conjugated diene block copolymer said copolymer having a number average molecular weight ranging from about 30,000 to about 300,000, grafted with an ethylenically unsaturated carboxylic acid or functional derivative thereof;
(b-1) at least one polyester containing at least one condensable hydroxyl group; and
(b-2) at least one polyamine having at least one condensable primary or secondary amino group, and optionally,
(c) at least one hydrocarbyl substituted carboxylic acid or anhydride.
REFERENCES:
patent: 4077893 (1978-03-01), Kiovsky
patent: 4169063 (1979-09-01), Kiovsky
patent: 4517104 (1985-05-01), Bloch et al.
patent: 4632769 (1986-12-01), Gutierrez et al.
patent: 4670173 (1987-06-01), Hagashi et al.
patent: 4803003 (1989-02-01), Chung
patent: 5035821 (1991-07-01), Chung et al.
patent: 5049294 (1991-09-01), Van Zon et al.
patent: 5073600 (1991-12-01), Gorman et al.
patent: 5210146 (1993-05-01), Gutierrez et al.
Ranney, M. W., "Lubricant Additives", Noyes Data Corp. (1973) pp. 119-136, month unknown.
Ranney, M. W., "Lubricant Additives, Recent Developments", Noyes Data Corp. (1978), pp. 151-159, month unknown.
Ranney, M. W., "Synthetic Oils and Additives for Lubricants, Advances Since 1977", Noyes Data Corp. (1980), pp. 119-150, month unknown.
Lange Richard M.
Luciani Carmen V.
Cordek James L.
Fischer Joseph P.
Hunter Frederick D.
The Lubrizol Corporation
Toomer Cephia D.
LandOfFree
Dispersant-viscosity improvers for lubricating oil compositions 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-viscosity improvers for lubricating oil compositions, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dispersant-viscosity improvers for lubricating oil compositions will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-625927