Patents Assigned to Dade AG
  • Calibrator for prothrombin time (PT) assays
    Patent number: 5866425
    Abstract: This invention pertains to a PT Assay Calibrator and a method of preparing a PT Assay Calibrator including a coagulation factor such as recombinant FVII or recombinant FVIIa that will allow preparation of PT calibration curves with values about 100% and which will give results analogous to those obtained using fresh normal plasma.
    Type: Grant
    Filed: January 16, 1996
    Date of Patent: February 2, 1999
    Assignee: Dade AG
    Inventors: Barry J. Woodhams, Michael E. Burgess-Wilson