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Expired European patentEurope

Internal coating for a gasifier reactor

EP 1858825 B1 · Applicant: Saint-Gobain Centre de Recherches et d'Etudes Européen

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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 10, 2006 and granted July 21, 2010. A European patent lasts at most 20 years from filing, so its term ended March 10, 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 10, 2006
PublishedNovember 28, 2007
GrantedJuly 21, 2010
Term endedMarch 10, 2026
Application numberEP 06726071
Classification (CPC)C04B35/12 +2 more

Timeline

Timeline From EPO dates

2007200920112013201520172019202120232025Application filedMarch 10, 2006PublishedNov 28, 2007Patent grantedJuly 21, 2010Term endedMarch 10, 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

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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