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Expired European patentEurope

Oligomeric sterically hindered polyamide crosslinkers and coating compositions containing the same

EP 0678105 B1 · Applicant: Akzo Nobel N.V.

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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 4, 1994 and granted December 3, 1997. A European patent lasts at most 20 years from filing, so its term ended January 4, 2014.
  • 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 July 4, 2019.
  • 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 4, 1994
PublishedOctober 25, 1995
GrantedDecember 3, 1997
Term endedJanuary 4, 2014
Application numberEP 94904629
Classification (CPC)C08F8/30

Timeline

Timeline From EPO dates

1995199719992001200320052007200920112013Application filedJan 4, 1994PublishedOct 25, 1995Patent grantedDec 3, 1997Term endedJan 4, 2014

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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.