Multifunctional viscosity index improver

Details Multifunctional viscosity index improver Multifunctional viscosity index improver

1987-03-23

1989-06-27

Dixon, Jr., William R.

Compositions

Electrolytes for electrical devices

252 515R, 252 52A, 252 56R, C10M14500

Patent

active

048427560

ABSTRACT:
Lubricating oils of improved oxidative stability, dispersancy, and viscosity index contain ethylene-propylene copolymer bearing allyl glycidyl ether or glycidyl methacrylate graft monomer--which has been functionalized with 2,5-dimethyl aniline or 2,6-dimethyl morpholine.

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patent: 4388202 (1983-06-01), Nagano et al.
patent: 4557847 (1985-12-01), Gutierrez et al.
patent: 4632769 (1986-12-01), Gutierrez et al.
patent: 4707285 (1985-11-01), Brewster et al.
patent: 4732942 (1988-03-01), Liu et al.

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