Electrical insulating oil and electrical appliances impregnated with the same

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United States of America Patent

PATENT NO 4621302
SERIAL NO

06711155

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An electrical insulating oil which is suitable for use in impregnating electrical appliances such as capacitors, cables and transformers, especially those in which plastic materials are used partially or totally as dielectrics or insulating materials, and electrical appliances that are impregnated with the above electrical insulating oil. The electrical insulating oil of the invention contains at least one monoolefin and/or diolefin having three condensed or non-condensed aromatic rings.

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Patent Owner(s)

Patent OwnerAddress
NIPPON PETROCHEMICALS COMPANY LIMITED A CORP OF JAPAN3-1 UCHISAIWAICHO 1-CHOME CHIYODA-KU TOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Endo, Keiji Yokosuka, JP 78 768
Hayashi, Shozo Yokohama, JP 18 395
Kawakami, Shigenobu Ichikawa, JP 44 547
Sato, Atsushi Tokyo, JP 405 4566
Yanagishita, Hitoshi Yokohama, JP 12 400

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