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Expired European patentEurope

Column for liquid chromatography and method of packing a chromatography column

EP 1750125 B1 · Applicant: Agilent Technologies, Inc.

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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 July 13, 2006 and granted April 20, 2011. A European patent lasts at most 20 years from filing, so its term ended July 13, 2026.
  • Supplementary protection certificates extend only medicine and crop-protection patents, and it isn't classified as either.
  • 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.
FiledJuly 13, 2006
PublishedFebruary 7, 2007
GrantedApril 20, 2011
Term endedJuly 13, 2026
Application numberEP 06253673
Classification (CPC)G01N30/56 +1 more

Timeline

Timeline From EPO dates

2007200920112013201520172019202120232025Application filedJuly 13, 2006PublishedFeb 7, 2007Patent grantedApril 20, 2011Term endedJuly 13, 2026

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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