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Expired European patentEurope

Use of light-activated hardenable silicon compositions for the production of thick-walled moulded articles or thick-walled coatings

EP 1817372 B1 · Applicant: Momentive Performance Materials GmbH

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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 July 27, 2005 and granted September 30, 2009. A European patent lasts at most 20 years from filing, so its term ended July 27, 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.
FiledJuly 27, 2005
PublishedAugust 15, 2007
GrantedSeptember 30, 2009
Term endedJuly 27, 2025
Application numberEP 05767962
Classification (CPC)C08L83/04

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedJuly 27, 2005PublishedAug 15, 2007Patent grantedSep 30, 2009Term endedJuly 27, 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

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