Compositions – Electrolytes for electrical devices
Patent
1989-03-07
1990-02-27
Howard, Jacqueline V.
Compositions
Electrolytes for electrical devices
252 515R, 524544, 5253276, 525380, C10M14906
Patent
active
049044044
ABSTRACT:
A lubricating oil contains, as a multifunctional additive, a polymer such as an ethylene - propylene copolymer, bearing graft moieties derived from allyl glycidyl ether, or glycidyl methacrylate as a graft monomer polymer being functionalized with (i) N-vinyl pyrrolidone and (ii) a Mannich base formed by the reaction p-nonyl phenol, N-(aminoethyl) piperazine, and formaldehyde.
REFERENCES:
patent: 2837496 (1958-06-01), Vandenberg
patent: 4068058 (1978-01-01), Engel et al.
patent: 4132656 (1979-01-01), De Vries
patent: 4146489 (1979-03-01), Stambaugh et al.
patent: 4259086 (1981-03-01), Machleder
patent: 4510063 (1985-04-01), Chou
patent: 4640788 (1987-03-01), Kapusclnski et al.
patent: 4668412 (1987-05-01), Hart et al.
patent: 4693838 (1987-09-01), Varma et al.
Benfaremo Nicholas
Grina Larry D.
Kapuscinski Maria M.
Liu Christopher S.
Howard Jacqueline V.
Kulason Robert A.
Medley Margaret B.
O'Loughlin James J.
Seutter Carl G.
LandOfFree
Lubricating oil containing viscosity index improver does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Lubricating oil containing viscosity index improver, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Lubricating oil containing viscosity index improver will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-172264