Viscosity index improver

Details Viscosity index improver Viscosity index improver

1993-06-18

1995-03-28

Johnson, Jerry D.

Compositions

Electrolytes for electrical devices

252 45, 252 50, 252 52R, 252 56D, 525227, 525284, 525285, 525293, 525296, 525300, 525301, 525302, 525306, 525307, 525308, 525309, 525312, C10M14516, C08L 3306, C08F26704, C08F26504

Patent

active

054014271

ABSTRACT:
Degraded molecular weight copolymers of ethylene alpha-olefin are provided. The ethylene alpha-olefin copolymers, before degradation, are characterized by having a narrow molecular weight distribution and are comprised of intramolecularly heterogeneous and intermolecularly homogeneous copolymer chains. The degraded copolymers are useful as viscosity index improvers for oils.

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