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:
Dec. 13, 2011
Filed:
Dec. 21, 2009
Yoshiaki Nakamura, Hitachi, JP;
Masami Sorimachi, Hitachi, JP;
Hitoshi Kimura, Hitachi, JP;
Shigeki Matsuyama, Mito, JP;
Yoshiaki Nakamura, Hitachi, JP;
Masami Sorimachi, Hitachi, JP;
Hitoshi Kimura, Hitachi, JP;
Shigeki Matsuyama, Mito, JP;
Hitachi Cable, Ltd., Tokyo, JP;
Abstract
A radiation resistant composition includes 100 parts by weight of a polymer, 5 to 80 parts by weight of an aromatic series process oil that a polycyclic aromatic (PCA) extract by an IP 346 method (DMSO extraction) is not more than 3% and an aromatic compound content is not less than 20% by a Kurtz analysis, and a radiation resistance imparting agent. The polymer is cross-linked or vulcanized. A wire or a cable includes an insulation and/or a sheath material including the radiation resistant composition.