Environment-friendly basic oil for formulating hydraulic fluids

Details Environment-friendly basic oil for formulating hydraulic fluids Environment-friendly basic oil for formulating hydraulic fluids

1994-11-21

1995-09-19

Willis, Jr., Prince

Compositions

Electrolytes for electrical devices

252 56S, 252 52R, 252 79, C10M16904, C10M10104

Patent

active

054513340

ABSTRACT:
An environment-friendly basic oil based on natural materials for the formulation of hydraulic oils having improved viscosity at elevated temperature and lower pour point contains rapeseed oil or soybean oil as the main component, an antioxidant selected from methoxyphenol, ethoxyphenol, butyl hydroxyanisole, butyl hydroxytoluene, methoxyhydroquinone, ethoxyhydroquinone, tertiary butyl hydroquinone, and tocopherol, and an ester of a monocarboxylic acid or a fatty acid.

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patent: 4783274 (1988-11-01), Jokinen et al.
patent: 5057247 (1991-10-01), Schmid et al.
patent: 5273672 (1993-12-01), Dasai et al.
Booser, Handbook of Lubrication, vol. I, p. 83 (1983).
Booser, Handbook of Lubrication, vol. II, pp. 247-249 (1984).

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