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Expired European patentEurope

Method for the catalytic gas phase oxidation of propene into acrolein

EP 1159244 B1 · Applicant: BASF 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 February 28, 2000 and granted October 29, 2003. A European patent lasts at most 20 years from filing, so its term ended February 28, 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 August 28, 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.
FiledFebruary 28, 2000
PublishedDecember 5, 2001
GrantedOctober 29, 2003
Term endedFebruary 28, 2020
Application numberEP 00916877
Classification (CPC)C07C51/252 +2 more

Timeline

Timeline From EPO dates

2001200320052007200920112013201520172019Application filedFeb 28, 2000PublishedDec 5, 2001Patent grantedOct 29, 2003Term endedFeb 28, 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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