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Expired European patentEurope

Method for synthesizing sevoflurane and an intermediate thereof

EP 1165478 B1 · Applicant: ABBOTT LABORATORIES

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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 March 24, 2000 and granted July 13, 2005. A European patent lasts at most 20 years from filing, so its term ended March 24, 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 September 24, 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.
FiledMarch 24, 2000
PublishedJanuary 2, 2002
GrantedJuly 13, 2005
Term endedMarch 24, 2020
Application numberEP 00918331
Classification (CPC)C07C41/01 +1 more

Timeline

Timeline From EPO dates

2001200320052007200920112013201520172019Application filedMarch 24, 2000PublishedJan 2, 2002Patent grantedJuly 13, 2005Term endedMarch 24, 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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