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Expired European patentEurope

Process for the preparation of Alkoxyiminoacetamide derivatives and an intermediate therefor

EP 0629609 B1 · Applicant: SHIONOGI SEIYAKU KABUSHIKI KAISHA trading under the name of SHIONOGI & CO. LTD.

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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 16, 1990 and granted December 4, 1996. A European patent lasts at most 20 years from filing, so its term ended May 16, 2010.
  • 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 16, 2015.
  • 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 16, 1990
PublishedDecember 21, 1994
GrantedDecember 4, 1996
Term endedMay 16, 2010
Application numberEP 94111766
Classification (CPC)C07D277/68 +2 more

Timeline

Timeline From EPO dates

1991199319951997199920012003200520072009Application filedMay 16, 1990PublishedDec 21, 1994Patent grantedDec 4, 1996Term endedMay 16, 2010

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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