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Expired European patentEurope

A process for treating fluid streams

EP 1097182 B1 · Applicant: ConocoPhillips Company

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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 May 14, 1999 and granted November 23, 2005. A European patent lasts at most 20 years from filing, so its term ended May 14, 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 November 14, 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.
FiledMay 14, 1999
PublishedMay 9, 2001
GrantedNovember 23, 2005
Term endedMay 14, 2019
Application numberEP 99924245
Classification (CPC)C08F10/00

Timeline

Timeline From EPO dates

2000200220042006200820102012201420162018Application filedMay 14, 1999PublishedMay 9, 2001Patent grantedNov 23, 2005Term endedMay 14, 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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