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Expired European patentEurope

Evaporating plant with forced circulation for decontamination of radioactive liquids

EP 0338322 B1 · Applicant: SIEMENS AKTIENGESELLSCHAFT

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Overview

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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 5, 1989 and granted July 14, 1993. A European patent lasts at most 20 years from filing, so its term ended April 5, 2009.
  • 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 5, 2014.
  • 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 5, 1989
PublishedOctober 25, 1989
GrantedJuly 14, 1993
Term endedApril 5, 2009
Application numberEP 89105971
Classification (CPC)B01D1/12 +2 more

Timeline

Timeline From EPO dates

1990199219941996199820002002200420062008Application filedApril 5, 1989PublishedOct 25, 1989Patent grantedJuly 14, 1993Term endedApril 5, 2009

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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