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Expired European patentEurope

Cobalt-based catalyst for fischer-tropsch synthesis

EP 1827684 B1 · Applicant: IFP Energies nouvelles

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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 November 17, 2005 and granted February 20, 2019. A European patent lasts at most 20 years from filing, so its term ended November 17, 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.
FiledNovember 17, 2005
PublishedSeptember 5, 2007
GrantedFebruary 20, 2019
Term endedNovember 17, 2025
Application numberEP 05818277
Classification (CPC)B01J21/12 +2 more

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedNov 17, 2005PublishedSep 5, 2007Patent grantedFeb 20, 2019Term endedNov 17, 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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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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