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Expired European patentEurope

Substituted alkanyl-azolyl carbamates, process for their preparation and their use as insecticides, acaricides and nematocides

EP 0005249 B1 · Applicant: BAYER AG

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Overview

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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 April 30, 1979 and granted September 2, 1981. A European patent lasts at most 20 years from filing, so its term ended April 30, 1999.
  • 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 October 30, 2004.
  • 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.
FiledApril 30, 1979
PublishedNovember 14, 1979
GrantedSeptember 2, 1981
Term endedApril 30, 1999
Application numberEP 79101287
Classification (CPC)C07C259/02 +2 more

Timeline

Timeline From EPO dates

1980198219841986198819901992199419961998Application filedApril 30, 1979PublishedNov 14, 1979Patent grantedSep 2, 1981Term endedApril 30, 1999

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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