Lubricants and functional fluids containing substituted sulfolan

Compositions – Electrolytes for electrical devices

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252 72, 252 781, C10M 138

Patent

active

040295877

ABSTRACT:
Compositions useful as lubricants and functional fluids comprise an oleaginous liquid of lubricating viscosity, typically a mineral oil, and a 3-alkoxysulfolane or the like, in which the alkoxy group contains at least about 4 and preferably about 4-25 carbon atoms, as a seal swelling agent.

REFERENCES:
patent: 2219006 (1940-10-01), Delfs
patent: 2461339 (1949-02-01), Morris et al.
patent: 2465912 (1949-03-01), Morris et al.
patent: 2483219 (1949-09-01), Morris et al.
patent: 2492927 (1949-12-01), Ballard et al.
patent: 3250717 (1966-05-01), Lambert et al.
patent: 3407140 (1968-10-01), Chiddix et al.

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