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Expired European patentEurope

Conversion of deep internal olefins into primary alkyl aluminum compounds by isomerization-displacement

EP 0828745 B1 · Applicant: ALBEMARLE CORPORATION

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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 May 10, 1996 and granted September 13, 2000. A European patent lasts at most 20 years from filing, so its term ended May 10, 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 November 10, 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.
FiledMay 10, 1996
PublishedMarch 18, 1998
GrantedSeptember 13, 2000
Term endedMay 10, 2016
Application numberEP 96913993
Classification (CPC)C07C1/327 +1 more

Timeline

Timeline From EPO dates

1997199920012003200520072009201120132015Application filedMay 10, 1996PublishedMarch 18, 1998Patent grantedSep 13, 2000Term endedMay 10, 2016

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