Patents Assigned to MCY Laboratories Canada, Inc.
  • Immunoglobulin extraction utilizing properties of colloidal solutions
    Patent number: 5087695
    Abstract: An immunoglobulin-rich fraction containing IgG, IgA and IgM is prepared in high concentration (200 mg/ml) by contacting diluted serum with CuSO.sub.4, which is a source of strong positive ions, to produce a precipitate rich in immunoglobulins, whereafter the precipitate is washed with an EDTA chelating agent solution and then a solution of L-lysine.HCl and NaHCO.sub.3 is added to form a colloidal solution of the washed immunoglobulin precipitate.
    Type: Grant
    Filed: July 12, 1989
    Date of Patent: February 11, 1992
    Assignee: MCY Laboratories Canada, Inc.
    Inventor: William A. J. McAuley