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Expired European patentEurope

METHOD FOR DETECTING DETERIORATION OF AT LEAST ONE NOx STORAGE CATALYST ARRANGED IN THE EXHAUST LINE OF AN INTERNAL COMBUSTION ENGINE

EP 1190164 B1 · Applicant: Volkswagen Aktiengesellschaft

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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 May 26, 2000 and granted November 22, 2006. A European patent lasts at most 20 years from filing, so its term ended May 26, 2020.
  • A supplementary protection certificate, which can extend a medicine or crop-protection patent, adds at most five and a half years, so even that would have ended by November 26, 2025.
  • 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.
FiledMay 26, 2000
PublishedMarch 27, 2002
GrantedNovember 22, 2006
Term endedMay 26, 2020
Application numberEP 00935124
Classification (CPC)F01N11/00 +2 more

Timeline

Timeline From EPO dates

2001200320052007200920112013201520172019Application filedMay 26, 2000PublishedMarch 27, 2002Patent grantedNov 22, 2006Term endedMay 26, 2020

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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