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New process for the preparation of certain steroids, especially intermediates for the preparation of proligestone and related compounds, and new intermediates formed in this process

EP 0188010 A1 · Applicant: GIST-BROCADES N.V.

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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 January 14, 1985 and never granted as a European patent. Had it been granted, its 20-year term would have ended January 14, 2005.
  • 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 July 14, 2010.
  • 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.
FiledJanuary 14, 1985
PublishedJuly 23, 1986
GrantedNever granted
Term endedJanuary 14, 2005
Application numberEP 85200022
Classification (CPC)C07J9/00 +2 more

Timeline

Timeline From EPO dates

1986198819901992199419961998200020022004Application filedJan 14, 1985PublishedJuly 23, 1986Term endedJan 14, 2005

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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