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Expired European patentEurope

Power increase and increase in acceleration performance of a compression ignition engine provided by the diesel fuel composition

EP 1697486 B1 · Applicant: Shell Internationale Research Maatschappij B.V.

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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 29, 2004 and granted July 18, 2018. A European patent lasts at most 20 years from filing, so its term ended November 29, 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.
FiledNovember 29, 2004
PublishedSeptember 6, 2006
GrantedJuly 18, 2018
Term endedNovember 29, 2024
Application numberEP 04819693
Classification (CPC)C10L10/02 +2 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedNov 29, 2004PublishedSep 6, 2006Patent grantedJuly 18, 2018Term endedNov 29, 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

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