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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 12384925 B1

PDFFull Text
Date of Patent:
Aug. 12, 2025

Filed:

Apr. 18, 2023

Polymer-type conductive paste, conductive film, and solid electrolytic capacitor element

Applicant:

Shoei Chemical Inc., Tokyo, JP;

Inventors:

Megumi Kawahara, Tosu, JP;

Shohei Araki, Tosu, JP;

Assignee:

SHOEI CHEMICAL INC., Tokyo, JP;

Attorney:

Alleman Hall & Tuttle LLP

Primary Examiner:

David M Sinclair

Int. Cl.
CPC ...
H01G 9/15 (2006.01); C09D 5/24 (2006.01); C09D 7/40 (2018.01); C09D 7/61 (2018.01); C09D 7/63 (2018.01); C09D 129/14 (2006.01); H01G 9/042 (2006.01); C08K 5/09 (2006.01); C08K 5/092 (2006.01); C08K 5/13 (2006.01); C08K 5/17 (2006.01); C08K 5/18 (2006.01); C08K 5/20 (2006.01); C08K 7/18 (2006.01);
U.S. Cl.
CPC ...
C09D 5/24 (2013.01); C09D 7/61 (2018.01); C09D 7/63 (2018.01); C09D 7/70 (2018.01); C09D 129/14 (2013.01); H01G 9/042 (2013.01); C08K 5/09 (2013.01); C08K 5/092 (2013.01); C08K 5/13 (2013.01); C08K 5/17 (2013.01); C08K 5/18 (2013.01); C08K 5/20 (2013.01); C08K 7/18 (2013.01);
Abstract

This invention provides a polymer type conductive paste that can provide a highly reliable conductive layer even in high humidity environments. The polymer type conductive paste in accordance with the embodiment of the present invention contains conductive metal powder, binder resin, organic solvent, and specific additives, wherein said binder resin is polyvinyl butyral resin, wherein said specific additives are one or more selected from the group consisting of stearic acid, lauric acid, octadecyl butanedioic acid, benzoic acid, acetamidophenol, aminophenol, catechol, and N,N-bis(2-hydroxyethyl) coco alkylamine, and wherein said specific additives are contained at the content of not less than 0.01 parts by mass and not more than 3.0 parts by mass per 100 parts by mass of said conductive metal powder.

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