Patents Assigned to Hematech Inc.
  • Blood substitute based on hemoglobin
    Patent number: 4064118
    Abstract: A blood substitute or blood extender is prepared by chemically coupling hemoglobin with a polysaccharide material selected from dextran and hydroxyethyl starch, and having a molecular weight of from about 5,000 to about 2,000,000, to form a covalently bonded chemical complex. The complex has similar oxygen transporting abilities to hemoglobin, and has a much lower rate of renal excretion.
    Type: Grant
    Filed: October 8, 1976
    Date of Patent: December 20, 1977
    Assignee: Hematech Inc.
    Inventor: Jeffrey Tze-Fei Wong