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Expired European patentEurope

Process for the synthesis, separation and purification of powder materials

EP 1689519 B1 · Applicant: Tekna Plasma Systems 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 August 19, 2004 and granted June 20, 2012. A European patent lasts at most 20 years from filing, so its term ended August 19, 2024.
  • 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.
FiledAugust 19, 2004
PublishedAugust 16, 2006
GrantedJune 20, 2012
Term endedAugust 19, 2024
Application numberEP 04761689
Classification (CPC)B01J19/10 +2 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedAug 19, 2004PublishedAug 16, 2006Patent grantedJune 20, 2012Term endedAug 19, 2024

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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