Patents by Inventor Traci H Ropp

Traci H 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 EGIII cellulase, DNA encoding such EGIII compositions and methods for obtaining same
    Patent number: 6635465
    Abstract: The present invention relates to variant EGIII cellulases that have improved stability and/or performance. The variant cellulases have replacements at sensitive residues to improve stability and/or performance.
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: October 21, 2003
    Assignee: Genencor International, Inc.
    Inventors: Peter Gualfetti, Colin Mitchinson, Traci H. Ropp
  • Mutant &agr;-amylase
    Patent number: 6211134
    Abstract: Novel &agr;-amylase enzymes are disclosed having a substution equivalent to G475R in Bacillus licheniformis. The disclosed &agr;-amylase enzymes show improved specific activity and starch hydrolysis performance. Also provided are polynucleotides encoding such enzymes, expression vectors including such polynucleotides, host cells transformed with such expression vectors, and the use of such enzymes in detergent compositions.
    Type: Grant
    Filed: December 9, 1997
    Date of Patent: April 3, 2001
    Assignee: Genecor International, Inc.
    Inventors: Robert M. Caldwell, Colin Mitchinson, Traci H Ropp