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Expired European patentEurope

Novel 5-substituted 2-pyrimidinone nucleosides and methods of use

EP 0175004 B1 · Applicant: THE RESEARCH FOUNDATION OF STATE UNIVERSITY OF NEW YORK

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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 August 25, 1984 and granted January 3, 1990. A European patent lasts at most 20 years from filing, so its term ended August 25, 2004.
  • 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 February 25, 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.
FiledAugust 25, 1984
PublishedMarch 26, 1986
GrantedJanuary 3, 1990
Term endedAugust 25, 2004
Application numberEP 84110168
Classification (CPC)C07H19/06 +2 more

Timeline

Timeline From EPO dates

1985198719891991199319951997199920012003Application filedAug 25, 1984PublishedMarch 26, 1986Patent grantedJan 3, 1990Term endedAug 25, 2004

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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