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Expired European patentEurope

Method for drying biomass

EP 1789740 B1 · Applicant: Technische Universität Dresden

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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 August 26, 2005 and granted February 29, 2012. A European patent lasts at most 20 years from filing, so its term ended August 26, 2025.
  • Supplementary protection certificates extend only medicine and crop-protection patents, and it isn't classified as either.
  • 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.
FiledAugust 26, 2005
PublishedMay 30, 2007
GrantedFebruary 29, 2012
Term endedAugust 26, 2025
Application numberEP 05776652
Classification (CPC)F26B9/006 +2 more

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedAug 26, 2005PublishedMay 30, 2007Patent grantedFeb 29, 2012Term endedAug 26, 2025

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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