H - Electricity – 01 – B
Patent
H - Electricity
01
B
31/96
H01B 3/20 (2006.01) C10M 101/02 (2006.01) C10M 111/04 (2006.01) C10M 169/04 (2006.01) H01B 3/22 (2006.01)
Patent
CA 1100304
ELECTRICAL INSULATING OIL COMPOSITIONS Abstract of the disclosure : 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 arylalkanes, diarylalkanes, polybutene, a highly aromatic oil having a specified refractive index and a hydrocarbon oil-derived hydrofined oil and an electrical insulating oil of naphthenic origin with the proviso that this insulating oil is omitted if the insulating oil (I) is of naphthenic origin, 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).
277393
Ishida Noboru
Kimura Shoji
Kohno Yoshiki
Masunaga Midori
Nippon Oil Co. Ltd.
Swabey Ogilvy Renault
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