Dispersant viscosity index improving additive for lubricating oi

Details Dispersant viscosity index improving additive for lubricating oi Dispersant viscosity index improving additive for lubricating oi

1997-01-29

1998-12-22

Howard, Jacqueline V.

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

Lubricants or separants for moving solid surfaces and...

Organic -co- compound

525303, C10N14510

Patent

active

058519670

ABSTRACT:
The present invention provides dispersant viscosity index improving additives for lubricating oils. The additives are copolymers comprising from 92 weight percent to 98 weight percent of a polymer backbone and from 2 weight percent to 8 weight percent branches grafted onto the polymer backbone.

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