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.:
Date of Patent:
Aug. 31, 1982
Filed:
Jun. 23, 1981
Atsushi Sato, Tokyo, JP;
Naoya Takahashi, Yokohama, JP;
Keiji Endo, Yokohama, JP;
Hitoshi Yanagishita, Yokohama, JP;
Nippon Petrochemicals Company, Limited, Tokyo, JP;
Abstract
An electrical insulating oil and oil-filled electrical appliances, in which the insulating oil comprises a mixture of diarylalkanes and alkyl-3-arylindane derivatives and/or 1,3-diarylbutene derivatives, and has various advantageous properties such as a high dielectric constant, hydrogen gas absorbing capacity, and adaptability to plastic film materials. By impregnating with the above insulating oil, high performance and long life electrical appliances can be manufactured.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile