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Expired European patentEurope

Impact-resistant vinylaromatic hydrocarbon resin

EP 1785437 B1 · Applicant: Asahi Kasei Chemicals Corporation

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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 August 31, 2004 and granted July 29, 2009. A European patent lasts at most 20 years from filing, so its term ended August 31, 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.
FiledAugust 31, 2004
PublishedMay 16, 2007
GrantedJuly 29, 2009
Term endedAugust 31, 2024
Application numberEP 04772466
Classification (CPC)C08F287/00

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedAug 31, 2004PublishedMay 16, 2007Patent grantedJuly 29, 2009Term endedAug 31, 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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