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Expired European patentEurope

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EP 0772710 B1 · Applicant: VALMET CORPORATION

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Overview

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

Read the whole patent

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 17, 1996 and granted August 11, 1999. A European patent lasts at most 20 years from filing, so its term ended April 17, 2016.
  • 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 17, 2021.
  • 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 17, 1996
PublishedMay 14, 1997
GrantedAugust 11, 1999
Term endedApril 17, 2016
Application numberEP 96910056
Classification (CPC)D21F3/00 +2 more

Timeline

Timeline From EPO dates

1997199920012003200520072009201120132015Application filedApril 17, 1996PublishedMay 14, 1997Patent grantedAug 11, 1999Term endedApril 17, 2016

Sources & verification