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Expired European patentEurope

Improved adhesion of amorphous saturated hydrocarbon thermoplastic substrates

EP 1023723 B1 · Applicant: THE DOW CHEMICAL COMPANY

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Overview

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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 4, 1998 and granted May 2, 2003. A European patent lasts at most 20 years from filing, so its term ended September 4, 2018.
  • 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 4, 2024.
  • 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 4, 1998
PublishedAugust 2, 2000
GrantedMay 2, 2003
Term endedSeptember 4, 2018
Application numberEP 98945866
Classification (CPC)G11B7/2542 +2 more

Timeline

Timeline From EPO dates

1999200120032005200720092011201320152017Application filedSep 4, 1998PublishedAug 2, 2000Patent grantedMay 2, 2003Term endedSep 4, 2018

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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