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Expired European patentEurope

Treatment of a waste stream through production and utilization of oxyhydrogen gas

EP 1702890 B1 · Applicant: Xogen Technologies Inc.

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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 November 19, 2003 and granted January 20, 2010. A European patent lasts at most 20 years from filing, so its term ended November 19, 2023.
  • 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.
FiledNovember 19, 2003
PublishedSeptember 20, 2006
GrantedJanuary 20, 2010
Term endedNovember 19, 2023
Application numberEP 06114853
Classification (CPC)C02F11/06 +1 more

Timeline

Timeline From EPO dates

2004200620082010201220142016201820202022Application filedNov 19, 2003PublishedSep 20, 2006Patent grantedJan 20, 2010Term endedNov 19, 2023

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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