Clear high-performance multifunction VI improvers

Details Clear high-performance multifunction VI improvers Clear high-performance multifunction VI improvers

1987-11-18

1989-03-28

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

252 475, 252 50, 252 51, 525 73, C10M14910, C10M15102

Patent

active

048161721

ABSTRACT:
This invention is a method of producing a clear, high-performance dispersant/antioxidant VII. The method comprising admixing a polar modifier to a VI improver during preparation process or to final product at a sufficiently high temperature to produce the desired clear, high performance VI improver.

REFERENCES:
patent: 4146489 (1979-03-01), Stambaugh et al.
patent: 4282132 (1981-08-01), Benda et al.
patent: 4292185 (1981-09-01), Bollinger
patent: 4693838 (1987-09-01), Varma et al.
patent: 4699723 (1987-10-01), Kapuscinski et al.

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