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European application, no grantEurope

Method for the production of tetritols, specifically meso-erythritol

EP 0767159 A1 · Applicant: CERESTAR HOLDING BV

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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 September 30, 1996 and never granted as a European patent. Had it been granted, its 20-year term would have ended September 30, 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 March 30, 2022.
  • 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.
FiledSeptember 30, 1996
PublishedApril 9, 1997
GrantedNever granted
Term endedSeptember 30, 2016
Application numberEP 96307143
Classification (CPC)C07C29/149

Timeline

Timeline From EPO dates

1997199920012003200520072009201120132015Application filedSep 30, 1996PublishedApril 9, 1997Term endedSep 30, 2016

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