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Expired European patentEurope

Hybrid organic-inorganic polymer coatings with high refractive indices

EP 1590100 B1 · Applicant: Brewer Science, 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 January 16, 2004 and granted February 25, 2015. A European patent lasts at most 20 years from filing, so its term ended January 16, 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.
FiledJanuary 16, 2004
PublishedNovember 2, 2005
GrantedFebruary 25, 2015
Term endedJanuary 16, 2024
Application numberEP 04703073
Classification (CPC)C08G79/00 +2 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedJan 16, 2004PublishedNov 2, 2005Patent grantedFeb 25, 2015Term endedJan 16, 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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