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Expired European patentEurope

Process for preparing rubber powders containing carbon black filler

EP 1270648 B1 · Applicant: PKU Pulverkautschuk Union 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 May 11, 2002 and granted April 19, 2006. A European patent lasts at most 20 years from filing, so its term ended May 11, 2022.
  • 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.
FiledMay 11, 2002
PublishedJanuary 2, 2003
GrantedApril 19, 2006
Term endedMay 11, 2022
Application numberEP 02010646
Classification (CPC)C08J3/215

Timeline

Timeline From EPO dates

2003200520072009201120132015201720192021Application filedMay 11, 2002PublishedJan 2, 2003Patent grantedApril 19, 2006Term endedMay 11, 2022

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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