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Expired European patentEurope

Process for forming an intumescent layer on a plate

EP 1586444 B1 · Applicant: Glas Trösch Holding AG

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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 April 14, 2004 and granted March 30, 2016. A European patent lasts at most 20 years from filing, so its term ended April 14, 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.
FiledApril 14, 2004
PublishedOctober 19, 2005
GrantedMarch 30, 2016
Term endedApril 14, 2024
Application numberEP 04405226
Classification (CPC)B32B17/06 +2 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedApril 14, 2004PublishedOct 19, 2005Patent grantedMarch 30, 2016Term endedApril 14, 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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