Patents by Inventor Shing Fai Kwan

Shing Fai Kwan 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).

  • Stable single liquid reagent for the determination of carbon dioxide in serum
    Patent number: 5753453
    Abstract: A stable single reagent for the determination of carbon dioxide in serum is provided as an aqueous solution of diagnostically amounts and NADH and/or NADPH, and a stabilizing system therefore reactively stabilized PEPC and a substrate for reacting with bicarbonate ion under alkaline conditions in the presence of PEPC.
    Type: Grant
    Filed: March 6, 1995
    Date of Patent: May 19, 1998
    Assignee: Ivan E. Modrovich
    Inventor: Shing Fai Kwan
  • Stabilization of analytes
    Patent number: 5660978
    Abstract: A method for stabilizing analytes with antibodies and antibody fragments comprises dissolving the analyte in a liquid to form a solution, adding analyte-specific antibodies, fragments of such antibodies, or both to the solution, heating the solution, and then cooling and filtering the solution. The filtered solution may be diluted in a suitable matrix.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: August 26, 1997
    Assignee: Ivan E. Modrovich
    Inventors: Shing Fai Kwan, Ivan E. Modrovich, Rebecca Jolene Hunt