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Expired European patentEurope

Process for separation of tartar from vessels used by the production and storage of wine and for recovery of tartaric acid contained in the tartar

EP 0955357 B1 · Applicant: Gebiets-Winzergenossenschaft Franken eG

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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.

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Why it's free to use

  • Filed April 29, 1999 and granted August 16, 2001. A European patent lasts at most 20 years from filing, so its term ended April 29, 2019.
  • 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 29, 2024.
  • 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 29, 1999
PublishedNovember 10, 1999
GrantedAugust 16, 2001
Term endedApril 29, 2019
Application numberEP 99107491
Classification (CPC)C12H1/02

Timeline

Timeline From EPO dates

2000200220042006200820102012201420162018Application filedApril 29, 1999PublishedNov 10, 1999Patent grantedAug 16, 2001Term endedApril 29, 2019

Sources & verification

Official EPO records

Full published documentClaims, description and drawings as a PDF.EPOEuropean Patent RegisterProcedure, status, file inspection and legal events.EPOLinked open EP data recordThe bibliographic record this page is built from.EPO

Cross-check elsewhere

Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.comEspacenetNational family members and their legal status.European Patent Office

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