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Expired European patentEurope

A microporous material and a method of making same

EP 1824671 B1 · Applicant: Daramic, LLC

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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 November 22, 2005 and granted November 19, 2014. A European patent lasts at most 20 years from filing, so its term ended November 22, 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.
FiledNovember 22, 2005
PublishedAugust 29, 2007
GrantedNovember 19, 2014
Term endedNovember 22, 2025
Application numberEP 05852030
Classification (CPC)B29C55/005 +2 more

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedNov 22, 2005PublishedAug 29, 2007Patent grantedNov 19, 2014Term endedNov 22, 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

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