发明名称 |
Electrical insulating oil compositions |
摘要 |
An electrical insulating oil composition consisting essentially of (I) 50-95 parts by weight of a mineral oil-derived electrical insulating oil, (II) 5-50 parts by weight of at least one oil selected from diarylalkanes, polybutene, an oil having a specified refractive index and a hydrocarbon oil-derived hydrofined oil, and (III) 0.001-1.0% by weight of a hydrocarbon-derived pour point depressant, based on the total weight of the oils (I) and (II).
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申请公布号 |
US4189391(A) |
申请公布日期 |
1980.02.19 |
申请号 |
US19780904098 |
申请日期 |
1978.05.08 |
申请人 |
NIPPON OIL CO LTD |
发明人 |
ISHIDA, NOBORU;KIMURA, SHOJI;KOHNO, YOSHIKI;MASUNAGA, MIDORI |
分类号 |
C10M101/02;C10M111/04;C10M169/04;H01B3/22;(IPC1-7):H01B3/22 |
主分类号 |
C10M101/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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