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:
Jun. 16, 2026
Filed:
Apr. 19, 2021
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Keisuke Hayashi, Osaka Fu, JP;
Nobuyuki Matsuzawa, Osaka Fu, JP;
Toshiyuki Takizawa, Kyoto Fu, JP;
Hiroyuki Maeshima, Hyogo Ken, JP;
Abstract
An additive for an organic conductor includes a naphthalene ring, at least two sulfonic acid groups bonded to the naphthalene ring, and at least one carboxy group bonded to the naphthalene ring. In the case where the number of the sulfonic acid groups is two, when the sulfonic acid groups are respectively referred to as a first sulfonic acid group and a second sulfonic acid group, and a carbon atom of the naphthalene ring bonded to the first sulfonic acid group and a carbon atom of the naphthalene ring bonded to the second sulfonic acid group are respectively referred to as a first carbon atom and a second carbon atom, the number n of carbon atoms present between the first carbon atom and the second carbon atom is three or less.