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Expired European patentEurope

Surface modified divinylbenzene resin having a hemocompatible coating

EP 1148944 B1 · Applicant: THE DOW CHEMICAL COMPANY

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Overview

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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.

Why it's free to use

  • Filed November 23, 1999 and granted April 21, 2010. A European patent lasts at most 20 years from filing, so its term ended November 23, 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 May 23, 2025.
  • 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 23, 1999
PublishedOctober 31, 2001
GrantedApril 21, 2010
Term endedNovember 23, 2019
Application numberEP 99962883
Classification (CPC)B01J20/26 +2 more

Timeline

Timeline From EPO dates

2000200220042006200820102012201420162018Application filedNov 23, 1999PublishedOct 31, 2001Patent grantedApril 21, 2010Term endedNov 23, 2019

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