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Expired European patentEurope

Ion chromatography apparatus and method for removing gas prior to sample detection

EP 1092977 B1 · Applicant: Alltech Associates, 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 October 13, 2000 and granted December 28, 2005. A European patent lasts at most 20 years from filing, so its term ended October 13, 2020.
  • 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 April 13, 2026.
  • 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.
FiledOctober 13, 2000
PublishedApril 18, 2001
GrantedDecember 28, 2005
Term endedOctober 13, 2020
Application numberEP 00122480
Classification (CPC)G01N30/96

Timeline

Timeline From EPO dates

2001200320052007200920112013201520172019Application filedOct 13, 2000PublishedApril 18, 2001Patent grantedDec 28, 2005Term endedOct 13, 2020

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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