Patents Assigned to Chemtrack, Inc.
  • Plasma forming device
    Patent number: 5423989
    Abstract: Devices are provided for producing plasma or serum from blood samples, where the plasma or serum is substantially free of red blood cells, hemoglobin, and metabolites and degradation products thereof. The sample can be used in various assays without interference from the interfering components of red blood cells.
    Type: Grant
    Filed: January 21, 1993
    Date of Patent: June 13, 1995
    Assignee: Chemtrack, Inc.
    Inventors: Michael P. Allen, Robert B. Shibuya