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Expired European patentEurope

Process for manufacture of N-alk(en)oxy(or aryloxy)carbonyl isothiocyanates and their derivatives in the presence of N,N-dialkylarylamine catalyst

EP 1059289 B1 · Applicant: Bayer Corporation

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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 29, 2000 and granted July 27, 2005. A European patent lasts at most 20 years from filing, so its term ended May 29, 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 29, 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 29, 2000
PublishedDecember 13, 2000
GrantedJuly 27, 2005
Term endedMay 29, 2020
Application numberEP 00110990
Classification (CPC)C07C331/32 +1 more

Timeline

Timeline From EPO dates

2001200320052007200920112013201520172019Application filedMay 29, 2000PublishedDec 13, 2000Patent grantedJuly 27, 2005Term endedMay 29, 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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