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Expired European patentEurope

Graft copolymer, flame retardant composed of such copolymer and resin composition containing such flame retardant

EP 1719787 B1 · Applicant: Kaneka 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 February 16, 2005 and granted April 4, 2018. A European patent lasts at most 20 years from filing, so its term ended February 16, 2025.
  • 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 16, 2005
PublishedNovember 8, 2006
GrantedApril 4, 2018
Term endedFebruary 16, 2025
Application numberEP 05710240
Classification (CPC)C08F283/12 +1 more

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedFeb 16, 2005PublishedNov 8, 2006Patent grantedApril 4, 2018Term endedFeb 16, 2025

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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