VI improver and composition containing same

Details VI improver and composition containing same VI improver and composition containing same

1991-01-30

1993-05-11

Willis, Jr., Prince

Compositions

Electrolytes for electrical devices

252 39, 252 41, 252 515A, C10M14312

Patent

active

052098621

ABSTRACT:
An improved viscosity index improver and an oil composition containing such a viscosity index improver are disclosed. The viscosity index improver is a carboxyl functionalized block copolymer which comprises of at least one monoalkenyl aromatic hydrocarbon polymer block and at least one conjugated diolefin polymer block. The oil can be selected from the group consisting of crude oils, mineral and synthetic lubricating oils, fuel oils, diesel oils, hydraulic oils, automatic transmission oils, and mixtures thereof.

REFERENCES:
patent: H724 (1990-01-01), Gergen et al.
patent: H790 (1990-06-01), Gergen et al.
patent: H815 (1990-09-01), Willis et al.
patent: H826 (1990-10-01), Willis et al.
patent: Re27145 (1971-06-01), Jones
patent: 3554911 (1971-01-01), Schiff et al.
patent: 3668125 (1972-06-01), Anderson
patent: 3772196 (1973-11-01), St. Clair et al.
patent: 3775329 (1973-11-01), Eckert
patent: 3835053 (1974-09-01), Meier et al.
patent: 3954915 (1976-05-01), Schwab et al.
patent: 4077893 (1978-03-01), Kiovsky
patent: 4116917 (1978-09-01), Eckert
patent: 4141847 (1979-02-01), Kiovsky
patent: 4145298 (1979-03-01), Trepka
patent: 4156673 (1979-05-01), Eckert
patent: 4427834 (1984-01-01), Martin
patent: 4693838 (1987-09-01), Varma et al.
patent: 4780228 (1988-10-01), Gardiner et al.
patent: 4849481 (1989-07-01), Rhodes et al.
patent: 4898914 (1990-02-01), Gergen et al.
patent: 4994508 (1991-02-01), Shiraki et al.
patent: 5002997 (1991-03-01), Gelles et al.

Affiliated with

Also associated with

Rating

VI improver and composition containing same does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with VI improver and composition containing same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and VI improver and composition containing same will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1348346