Dispersant and antioxidant VI improvers based on olefin copolyme

Details Dispersant and antioxidant VI improvers based on olefin copolyme Dispersant and antioxidant VI improvers based on olefin copolyme

1992-07-01

1999-08-24

Johnson, Jerry D.

Solid anti-friction devices, materials therefor, lubricant or se

Lubricants or separants for moving solid surfaces and...

Heterocyclic ring compound; a heterocyclic ring is one...

508221, 525256, 525259, C10M15104

Patent

active

059424710

ABSTRACT:
Multifunctional viscosity index improvers for lubricating oils based on a hydrocarbon polymer holding pendant functional groups containing phenothiazine, and pendant functional groups containing aromatic amine antioxidant.

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