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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 10947376 B1

PDFFull Text
Date of Patent:
Mar. 16, 2021

Filed:

May. 14, 2019

Polyanion copolymers for use with conducting polymers in solid electrolytic capacitors

Applicant:

Kemet Electronics Corporation, Simpsonville, SC (US);

Inventors:

Ajaykumar Bunha, Simpsonville, SC (US);

Antony P. Chacko, Simpsonville, SC (US);

Yaru Shi, Simpsonville, SC (US);

Qingping Chen, Simpsonville, SC (US);

Philip M. Lessner, Simpsonville, SC (US);

Assignee:

KEMET Electronics Corporation, Fort Lauderdale, FL (US);

Attorneys:

Joseph T. Guy

Patent Filing Specialist Inc.

Primary Examiner:

Katie L Hammer

Int. Cl.
CPC ...
C08L 25/18 (2006.01); C07C 309/30 (2006.01); H01G 9/042 (2006.01); H01M 4/137 (2010.01); H01G 9/00 (2006.01); H01G 9/028 (2006.01); C07C 309/28 (2006.01); H01G 9/04 (2006.01); H01G 9/15 (2006.01); H01M 4/136 (2010.01);
U.S. Cl.
CPC ...
C08L 25/18 (2013.01); C07C 309/28 (2013.01); C07C 309/30 (2013.01); H01G 9/0036 (2013.01); H01G 9/028 (2013.01); H01G 9/04 (2013.01); H01G 9/042 (2013.01); H01G 9/0425 (2013.01); H01G 9/15 (2013.01); H01M 4/136 (2013.01); H01M 4/137 (2013.01); H01G 2009/0014 (2013.01); H01G 2009/0404 (2013.01);
Abstract

A capacitor and a method of making a capacitor, is provided with improved reliability performance. The capacitor comprises an anode; a dielectric on the anode; and a cathode on the dielectric wherein the cathode comprises a conductive polymer and a polyanion wherein the polyanion is a copolymer comprising groups A, B and C represented by Formula ABCas described herein.

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Bunha, Ajaykumar. (2021). Polyanion copolymers for use with conducting polymers in solid electrolytic capacitors (U.S. Patent No. 10947376). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10947376

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