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:
Oct. 16, 2012
Filed:
Jul. 28, 2009
Ryuta Kobayakawa, Miyagi, JP;
Tomoki Nobuta, Miyagi, JP;
Naoki Takahashi, Miyagi, JP;
Yasuhisa Sugawara, Miyagi, JP;
Satoshi Suzuki, Miyagi, JP;
Toshihiko Nishiyama, Miyagi, JP;
Ryuta Kobayakawa, Miyagi, JP;
Tomoki Nobuta, Miyagi, JP;
Naoki Takahashi, Miyagi, JP;
Yasuhisa Sugawara, Miyagi, JP;
Satoshi Suzuki, Miyagi, JP;
Toshihiko Nishiyama, Miyagi, JP;
NEC Tokin Corporation, Sendai-Shi, JP;
Abstract
The present invention provides a conductive polymer suspension for providing a conductive polymer material having a high conductivity and a method for producing the same, and in particular, a solid electrolytic capacitor having a low ESR and a method for producing the same. The conductive polymer suspension is produced by: synthesizing a conductive polymer by chemical oxidative polymerization of a monomer giving the conductive polymer by using an oxidant in a solvent containing a dopant consisting of a low-molecular organic acid or a salt thereof; purifying the conductive polymer; and mixing the purified conductive polymer and an oxidant in an aqueous solvent containing a polyacid component.