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Method for separating a ferrous fraction and a mineral fraction from waste incineration ashes

EP 0765686 A2 · Applicant: DSU Duisburger Schlackenaufbereitung und Umwelttechnik GmbH

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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 13, 1996 and never granted as a European patent. Had it been granted, its 20-year term would have ended September 13, 2016.
  • 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 13, 2022.
  • 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 13, 1996
PublishedApril 2, 1997
GrantedNever granted
Term endedSeptember 13, 2016
Application numberEP 96114688
Classification (CPC)B03B9/04

Timeline

Timeline From EPO dates

1997199920012003200520072009201120132015Application filedSep 13, 1996PublishedApril 2, 1997Term endedSep 13, 2016

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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