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Expired European patentEurope

Prepolymer composition low in monomers, made of unsymmetrical polyisocyanates and sterically hindered polyols

EP 1689798 B1 · Applicant: RATHOR 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 November 17, 2004 and granted June 26, 2013. A European patent lasts at most 20 years from filing, so its term ended November 17, 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.
FiledNovember 17, 2004
PublishedAugust 16, 2006
GrantedJune 26, 2013
Term endedNovember 17, 2024
Application numberEP 04803154
Classification (CPC)C08G18/12 +2 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedNov 17, 2004PublishedAug 16, 2006Patent grantedJune 26, 2013Term endedNov 17, 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

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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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