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Expired European patentEurope

Electrochemical gas sensor with hydrophilic membrane coating

EP 1591779 B1 · Applicant: F. Hoffmann-La Roche AG

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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 22, 2005 and granted January 20, 2010. A European patent lasts at most 20 years from filing, so its term ended April 22, 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.
FiledApril 22, 2005
PublishedNovember 2, 2005
GrantedJanuary 20, 2010
Term endedApril 22, 2025
Application numberEP 05008923
Classification (CPC)G01N27/404

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedApril 22, 2005PublishedNov 2, 2005Patent grantedJan 20, 2010Term endedApril 22, 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

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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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