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Expired European patentEurope

Thienamycin related antibiotics PS-6 and PS-7, process for their production and compositions containing them

EP 0001567 B1 · Applicant: SANRAKU-OCEAN 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 September 26, 1978 and granted December 2, 1981. A European patent lasts at most 20 years from filing, so its term ended September 26, 1998.
  • 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 March 26, 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.
FiledSeptember 26, 1978
PublishedMay 2, 1979
GrantedDecember 2, 1981
Term endedSeptember 26, 1998
Application numberEP 78100993
Classification (CPC)C07D477/20

Timeline

Timeline From EPO dates

1979198119831985198719891991199319951997Application filedSep 26, 1978PublishedMay 2, 1979Patent grantedDec 2, 1981Term endedSep 26, 1998

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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