Patent · US Expired

Method for measuring antithrombin activity

US6432658B1 · kind B1 · utility

3Cited by
11References
38Claims
0Family size

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Key dates

Filing dateSep 13, 2000
Grant dateAug 13, 2002
Priority date
Expiry dateNov 4, 2020

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S435/975
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The invention provides a one-stage method of measuring antithrombin (AT) activity in a sample. In the method, a diluted sample is mixed with AT-deficient plasma containing intrinsic coagulation enzymes, an AT augmenting compound such as heparin, a phospholipid and an activator of the contact phase of the intrinsic coagulation pathway. Following addition of calcium ions, coagulation time is measured and compared to a reference standard to determine the level of AT activity in the sample.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.