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Expired European patentEurope

Process for preparing electroactive insertion compounds and electrode materials obtained therefrom

EP 1702373 B1 · Applicant: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE -CNRS-

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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 December 22, 2004 and granted October 11, 2017. A European patent lasts at most 20 years from filing, so its term ended December 22, 2024.
  • 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.
FiledDecember 22, 2004
PublishedSeptember 20, 2006
GrantedOctober 11, 2017
Term endedDecember 22, 2024
Application numberEP 04802357
Classification (CPC)H01M4/136 +2 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedDec 22, 2004PublishedSep 20, 2006Patent grantedOct 11, 2017Term endedDec 22, 2024

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

Cross-check elsewhere

Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.comEspacenetNational family members and their legal status.European Patent Office

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