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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 4734824 B1

PDFFull Text
Date of Patent:
Mar. 29, 1988

Filed:

Jun. 23, 1986

Electrical insulating oil and electrical appliances impregnated with the

Applicant:
Inventors:

Atsushi Sato, Tokyo, JP;

Keiji Endo, Yokosuka, JP;

Shigenobu Kawakami, Ichikawa, JP;

Hitoshi Yanagishita, Yokohama, JP;

Shozo Hayashi, Yokohama, JP;

Assignee:

Nippon Petrochemicals Company, Limited, Tokyo, JP;

Attorney:

Scully, Scott, Murphy & Presser

Primary Examiner:

Robert Wax

Int. Cl.
CPC ...
H01G / ;
U.S. Cl.
CPC ...
361315 ; 174 / ; 174 / ; 252570 ; 338 58 ; 338 94 ; 361327 ; 585-63 ; 585-66 ; 585 25 ; 585 26 ; 585 27 ; 585435 ; 585436 ;
Abstract

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.

Find Patent Forward Citations

Sato, Atsushi. (1988). Electrical insulating oil and electrical appliances impregnated with the (U.S. Patent No. 4734824). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4734824

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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