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Expired European patentEurope

Selective hydrodesulfurization and mercaptan decomposition process with interstage separation

EP 1831334 B1 · Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY

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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 13, 2005 and granted February 23, 2011. A European patent lasts at most 20 years from filing, so its term ended December 13, 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.
FiledDecember 13, 2005
PublishedSeptember 12, 2007
GrantedFebruary 23, 2011
Term endedDecember 13, 2025
Application numberEP 05853778
Classification (CPC)C10G45/02 +2 more

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedDec 13, 2005PublishedSep 12, 2007Patent grantedFeb 23, 2011Term endedDec 13, 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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