Patents by Inventor Traci Helen Ropp

Traci Helen Ropp 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).

  • Mutant A-amylase
    Patent number: 5736499
    Abstract: Novel .alpha.-amylase enzymes are disclosed in which one or more asparagine residues are substituted with a different amino acid or deleted. The disclosed .alpha.-amylase enzymes show altered or improved low pH starch hydrolysis performance, stability and activity profiles.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: April 7, 1998
    Assignee: Genencor International, Inc.
    Inventors: Colin Mitchinson, Carol Ann Requadt, Traci Helen Ropp, Leif P. Solheim