Polymeric antioxidant viscosity index improvers

Details Polymeric antioxidant viscosity index improvers Polymeric antioxidant viscosity index improvers

1977-06-10

1978-07-04

Gantz, Delbert E.

Compositions

Electrolytes for electrical devices

252401, 526 16, 526 49, C10M 132, C10M 326, C10M 520, C10M 730

Patent

active

040987094

ABSTRACT:
Polymers containing post-reacted hindered phenol anti-oxidant functionality as viscosity index (VI) improvers for high temperature service, particularly for lubricating oils used in diesel engines.

REFERENCES:
patent: 3956149 (1976-05-01), Coleman
patent: 4027081 (1977-05-01), Turner
patent: 4036767 (1977-07-01), Yamamoto et al.
patent: 4051049 (1977-09-01), Elliott et al.

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