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Expired European patentEurope

Functional polyphenylene ether resin

EP 1270643 B1 · Applicant: Asahi Kasei Kabushiki Kaisha

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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 January 24, 2002 and granted June 13, 2007. A European patent lasts at most 20 years from filing, so its term ended January 24, 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.
FiledJanuary 24, 2002
PublishedJanuary 2, 2003
GrantedJune 13, 2007
Term endedJanuary 24, 2022
Application numberEP 02711223
Classification (CPC)C08G65/485 +1 more

Timeline

Timeline From EPO dates

2003200520072009201120132015201720192021Application filedJan 24, 2002PublishedJan 2, 2003Patent grantedJune 13, 2007Term endedJan 24, 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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.