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Expired European patentEurope

Use of conductive carbon black/graphite mixtures for the production of low-cost electronics

EP 1586129 B1 · Applicant: PolyIC GmbH & Co. KG

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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 January 14, 2004 and granted April 18, 2007. A European patent lasts at most 20 years from filing, so its term ended January 14, 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.
FiledJanuary 14, 2004
PublishedOctober 19, 2005
GrantedApril 18, 2007
Term endedJanuary 14, 2024
Application numberEP 04701945
Classification (CPC)H01B1/04 +2 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedJan 14, 2004PublishedOct 19, 2005Patent grantedApril 18, 2007Term endedJan 14, 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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