Patents by Inventor Daniel Ting Hsiu Liu

Daniel Ting Hsiu Liu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for producing intravenous immune globulin
    Patent number: 4075193
    Abstract: A process is provided for producing intravenous immune globulin which comprises adsorbing plasminogen from blood of a selected mammalian species on L-lysine agarose, washing the adsorbate and eluting the purified plasminogen, converting the plasminogen to plasmin, and incubating a mixture of the plasmin and homospecific immune globulin having anticomplementary activity so as to reduce the anticomplementary activity, adsorbing excess plasmin present in the mixture, and recovering the immune globulin from the mixture.
    Type: Grant
    Filed: November 26, 1976
    Date of Patent: February 21, 1978
    Assignee: Parke, Davis & Company
    Inventors: Cyrill John Campbell, Daniel Ting Hsiu Liu