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Expired European patentEurope

Method of pretreatment of sample for quantitating cholesterol and method for quantitating cholesterol in specific lipoproteins by using the same

EP 1598426 B1 · Applicant: DAIICHI PURE CHEMICALS CO., LTD.

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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 June 14, 2000 and granted April 18, 2007. A European patent lasts at most 20 years from filing, so its term ended June 14, 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 December 14, 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.
FiledJune 14, 2000
PublishedNovember 23, 2005
GrantedApril 18, 2007
Term endedJune 14, 2020
Application numberEP 05015877
Classification (CPC)C12Q1/60 +1 more

Timeline

Timeline From EPO dates

2001200320052007200920112013201520172019Application filedJune 14, 2000PublishedNov 23, 2005Patent grantedApril 18, 2007Term endedJune 14, 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

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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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