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Expired European patentEurope

Use of 1-[3-(dimethylamino)propyl]-1-phenylphthalenes for the treatment of cerebrovascular disorders

EP 0474580 B1 · Applicant: H. LUNDBECK A/S

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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.

Why it's free to use

  • Filed August 16, 1991 and granted September 28, 1994. A European patent lasts at most 20 years from filing, so its term ended August 16, 2011.
  • 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 16, 2017.
  • 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 16, 1991
PublishedMarch 11, 1992
GrantedSeptember 28, 1994
Term endedAugust 16, 2011
Application numberEP 91610063
Classification (CPC)A61P9/00 +2 more

Timeline

Timeline From EPO dates

1992199419961998200020022004200620082010Application filedAug 16, 1991PublishedMarch 11, 1992Patent grantedSep 28, 1994Term endedAug 16, 2011

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