USPatentGranted
B2

Process for producing solution having electrically conductive polymer dispersed therein, and electrolytic capacitor

Granted 26 Jul 2016 · 2 office actions

Assignee: Panasonic

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Inventors: Yukihiro Shimasaki, Ayumi Kochi, Tatsuji Aoyama · Examiner: Arun Ramaswamy

Life of the patent

7 dated events
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Abstract

A method for producing a conductive polymer dispersion liquid includes preparing an emulsion of a polyanion adsorbed on a conductive polymer precursor monomer by emulsifying a blended liquid obtained by blending the conductive polymer precursor monomer, the polyanion, and an aqueous solvent; and forming a dispersoid of a conductive polymer by chemical oxidative polymerization with addition of an oxidant to the emulsion. Furthermore, by using this conductive polymer dispersion liquid to provide an electrolytic capacitor, the ESR of the capacitor can be reduced.

Claims

8 · 2 independent · depth 3
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8 granted claims

Classifications

9 codes
IPC · International Patent Classification
Section C — Chemistry; metallurgy
  • C08G61/12
Section H — Electricity
  • H01M6/04
  • H01H3/40
  • H01G9/02
  • H01G9/035
  • H01L51/00
  • H01G9/00
  • H01G9/15
  • H01G9/028

Claim changes

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File wrapper

⤢ drag to zoomJul 2012Jan 2013Jul 2013Jan 2014Jul 2014Jan 2015Jul 2015Jan 2016Jul 2016USPTOApplicantNon-final rejectionNotice of allowance
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Pendency
4.3 y
1,567 days filing → grant
Office actions
1
non-final + final
Responses
2
no RCE
Examiner
Arun Ramaswamy
art unit —
Citations: 15 back · 0 forward

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Term & fees

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Priority chain

1 priority documents
›Priority documents — 1
TypeDocumentDate
related publicationUS 20140009869 A19 Jan 2014

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Citations

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