Oil composition for electrical discharge machining
US9993889B2 · kind B2 · utility
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4References
15Claims
0Family size
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Key dates
| Filing date | Mar 27, 2015 |
| Grant date | Jun 12, 2018 |
| Priority date | — |
| Expiry date | Mar 27, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/22
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An electrical discharge machining oil composition of the invention includes an organic acid metal salt and a base oil, in which the organic acid metal salt is an organic acid salt of a metal having an electronegativity on Pauling scale of 2 or less, and the present composition has a volume resistivity at 80 degrees C. of 2×10−5 TΩ·m or more and a kinematic viscosity at 40 degrees C. in a range from 0.5 mm2/s to 10 mm2/s.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.