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Expired European patentEurope

Oxetane compounds, oxetane copolymer, and process for producing oxetane compounds

EP 1095938 B1 · Applicant: JSR Corporation

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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 June 25, 1999 and granted January 20, 2010. A European patent lasts at most 20 years from filing, so its term ended June 25, 2019.
  • A supplementary protection certificate, which can extend a medicine or crop-protection patent, adds at most five and a half years, so even that would have ended by December 25, 2024.
  • 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.
FiledJune 25, 1999
PublishedMay 2, 2001
GrantedJanuary 20, 2010
Term endedJune 25, 2019
Application numberEP 99960679
Classification (CPC)C08G61/12 +2 more

Timeline

Timeline From EPO dates

2000200220042006200820102012201420162018Application filedJune 25, 1999PublishedMay 2, 2001Patent grantedJan 20, 2010Term endedJune 25, 2019

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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