Compositions – Fluent dielectric
Patent
1992-03-05
1994-07-26
Lieberman, Paul
Compositions
Fluent dielectric
252578, 252579, 219 6914, H01B 324, H01B 320, B23H 108
Patent
active
053325290
ABSTRACT:
An electric discharge machine fluid has been discovered. The fluid comprises a naphthene oil and 0.15 to 0.50 wt % 1,6-hexamethylene bis(3,5-ditertiarybutyl-4-hydroxycinnamate). The fluid was found to increase the breakdown voltage of the fluid and to stabilize oxidative deterioration.
REFERENCES:
patent: 3639275 (1972-02-01), Stayner
patent: 3648013 (1972-03-01), Stayner et al.
patent: 3679857 (1972-07-01), Stayner
patent: 5021179 (1991-06-01), Zehler et al.
patent: 5076814 (1991-12-01), Hanlon et al.
Culpon, Jr. Douglas H.
Mead Theodore C.
Bailey James L.
Lieberman Paul
Morgan Richard A.
Ogden Nicholas
Priem Kenneth R.
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