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Expired European patentEurope

Organic electrolyte battery, and process for producing positive electrode sheet for use therein

EP 1786052 B1 · Applicant: Central Research Institute of Electric Power Industry

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Listed from its EPO record in Patent Yard's archive of European patents past their term. Its claims, description and drawings are in the EPO PDF and on Google Patents, and the Claude kit works from them.

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Why it's free to use

  • Filed May 18, 2005 and granted September 19, 2012. A European patent lasts at most 20 years from filing, so its term ended May 18, 2025.
  • Supplementary protection certificates extend only medicine and crop-protection patents, and it isn't classified as either.
  • We check European rights only. A US or other national patent in its family could still be in force: check its family on Espacenet or Google Patents.
FiledMay 18, 2005
PublishedMay 16, 2007
GrantedSeptember 19, 2012
Term endedMay 18, 2025
Application numberEP 05741490
Classification (CPC)H01M10/052 +2 more

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedMay 18, 2005PublishedMay 16, 2007Patent grantedSep 19, 2012Term endedMay 18, 2025

Sources & verification

Official EPO records

Full published documentClaims, description and drawings as a PDF.EPOEuropean Patent RegisterProcedure, status, file inspection and legal events.EPOLinked open EP data recordThe bibliographic record this page is built from.EPO

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