VI improver, dispersant, and antioxidant additive and lubricatin

Details VI improver, dispersant, and antioxidant additive and lubricatin VI improver, dispersant, and antioxidant additive and lubricatin

1990-09-24

1992-05-12

Willis, Jr., Prince

Compositions

Electrolytes for electrical devices

525285, 525301, 525382, C10M14906

Patent

active

051125080

ABSTRACT:
An additive composition comprising a graft and amine-derivatized copolymer prepared from ethylene and at least one C.sub.3 to C.sub.10 alpha-monoolefin and, optionally, a polyene selected from non-conjugated dienes and trienes comprising from about 15 to 80 mole percent of ethylene, from about 20 to 85 mole percent of said C.sub.3 to C.sub.10 alpha-monoolefin and from about 0 to 15 mole percent of said polyene having an average molecular weight ranging from about 5,000 to 500,000 which has been reacted with at least one olefinic carboxylic acid acylating agent to form one or more acylating reaction intermediates characterized by having a carboxylic acid acylating function within their structure and reacting said reaction intermediate with a hydrocarbon substituted or unsubstituted N-naphthylphenylenediamine and a lubricating oil composition containing same are provided.

REFERENCES:
patent: 4234435 (1980-11-01), Meinhardt et al.
patent: 4505834 (1985-03-01), Papay et al.

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