Patents by Inventor Nancy S. Bjork

Nancy S. Bjork 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).

  • Degradation resistant detergent compositions based on cellulase enzymes
    Patent number: 5120463
    Abstract: Disclosed are detergent compositions containing a combination of exo-cellobiohydrolase I type cellulase components and endoglucanase components wherein the exo-cellobiohydrolase I type cellulase components are enriched relative to the endoglucanase components. The detergent compositions of this invention provide excellent cleaning of cotton garments while also providing substantially reduced degradation of the cotton fabric in the garment.
    Type: Grant
    Filed: April 15, 1991
    Date of Patent: June 9, 1992
    Assignee: Genencor International, Inc.
    Inventors: Nancy S. Bjork, Kathleen A. Clarkson, Pushkaraj J. Lad, Geoffrey L. Weiss