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Expired European patentEurope

Fuel electrode material for solid oxide fuel cell, fuel electrode using same, fuel-cell cell

EP 1870950 B1 · Applicant: Nippon Shokubai Co.,Ltd.

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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 March 22, 2006 and granted August 17, 2011. A European patent lasts at most 20 years from filing, so its term ended March 22, 2026.
  • 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.
FiledMarch 22, 2006
PublishedDecember 26, 2007
GrantedAugust 17, 2011
Term endedMarch 22, 2026
Application numberEP 06729691
Classification (CPC)C04B35/01 +2 more

Timeline

Timeline From EPO dates

2007200920112013201520172019202120232025Application filedMarch 22, 2006PublishedDec 26, 2007Patent grantedAug 17, 2011Term endedMarch 22, 2026

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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