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Expired European patentEurope

Pharmaceutical compositions containing hollow fine tubular drug delivery systems

EP 0200224 B1 · Applicant: THE DU PONT MERCK PHARMACEUTICAL COMPANY

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Overview

The published document from the EPO: abstract, claims, description and drawings. Open it full size

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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 April 30, 1986 and granted March 18, 1992. A European patent lasts at most 20 years from filing, so its term ended April 30, 2006.
  • 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, 2011.
  • 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, 1986
PublishedNovember 5, 1986
GrantedMarch 18, 1992
Term endedApril 30, 2006
Application numberEP 86105970
Classification (CPC)A61K9/70 +1 more

Timeline

Timeline From EPO dates

1987198919911993199519971999200120032005Application filedApril 30, 1986PublishedNov 5, 1986Patent grantedMarch 18, 1992Term endedApril 30, 2006

Sources & verification