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Expired European patentEurope

Method and apparatus for recovering dissolved, suspended or chemically bonded materials from water

EP 0010608 B1 · Applicant: Uranerzbergbau-GmbH

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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 September 20, 1979 and granted August 12, 1981. A European patent lasts at most 20 years from filing, so its term ended September 20, 1999.
  • 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 March 20, 2005.
  • 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.
FiledSeptember 20, 1979
PublishedMay 14, 1980
GrantedAugust 12, 1981
Term endedSeptember 20, 1999
Application numberEP 79103541
Classification (CPC)C22B3/02 +2 more

Timeline

Timeline From EPO dates

1980198219841986198819901992199419961998Application filedSep 20, 1979PublishedMay 14, 1980Patent grantedAug 12, 1981Term endedSep 20, 1999

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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