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Expired European patentEurope

Agglomerated zeolite adsorbents, method for obtaining them and use for adsorbing paraxylene from aromatic c 8? cuts fractions

EP 1011858 B1 · Applicant: INSTITUT FRANCAIS DU PETROLE

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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 August 18, 1998 and granted March 16, 2011. A European patent lasts at most 20 years from filing, so its term ended August 18, 2018.
  • 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 February 18, 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.
FiledAugust 18, 1998
PublishedJune 28, 2000
GrantedMarch 16, 2011
Term endedAugust 18, 2018
Application numberEP 98942751
Classification (CPC)B01J20/186 +2 more

Timeline

Timeline From EPO dates

1999200120032005200720092011201320152017Application filedAug 18, 1998PublishedJune 28, 2000Patent grantedMarch 16, 2011Term endedAug 18, 2018

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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