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Expired European patentEurope

Peroxide vulcanizable butyl compositions useful for rubber articles

EP 1824930 B1 · Applicant: Lanxess Inc.

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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 16, 2005 and granted May 11, 2011. A European patent lasts at most 20 years from filing, so its term ended November 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.
FiledNovember 16, 2005
PublishedAugust 29, 2007
GrantedMay 11, 2011
Term endedNovember 16, 2025
Application numberEP 05810881
Classification (CPC)C08L9/00 +2 more

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedNov 16, 2005PublishedAug 29, 2007Patent grantedMay 11, 2011Term endedNov 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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