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Expired European patentEurope

Polymer packaging layer with improved release properties

EP 1601722 B1 · Applicant: Corus Staal BV

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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 February 18, 2004 and granted July 15, 2009. A European patent lasts at most 20 years from filing, so its term ended February 18, 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.
FiledFebruary 18, 2004
PublishedDecember 7, 2005
GrantedJuly 15, 2009
Term endedFebruary 18, 2024
Application numberEP 04712046
Classification (CPC)C08L67/02

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedFeb 18, 2004PublishedDec 7, 2005Patent grantedJuly 15, 2009Term endedFeb 18, 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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