Patents by Inventor Keith R. Humphries

Keith R. Humphries 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).

  • Compositions and methods for modulating cell proliferation using growth factor-polysaccharide binding fusion proteins
    Patent number: 5874308
    Abstract: Methods and compositions are provided for in vitro expansion of growth factor dependent cells. Expansion is effected through the use of growth factor conjugates that include a growth factor such as a steel factor and a polysaccharidase substrate binding region. The conjugates are immobilized by binding of the substrate binding region to a substrate of the polysaccharidase in a growth chamber for the cells.
    Type: Grant
    Filed: January 16, 1996
    Date of Patent: February 23, 1999
    Assignee: University of British Columbia
    Inventors: Douglas G. Kilburn, Keith R. Humphries, James G. Doheny, Eric Jervis, Judie Alimonti