Patents by Inventor Kristie Joyce Bethune

Kristie Joyce Bethune 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).

  • Catalase decomposition of hydrogen peroxide in surfactants
    Publication number: 20090209018
    Abstract: A process comprising the steps of continuously adding a catalase enzyme to a process stream, wherein the process stream comprises an amine oxide surfactant and hydrogen peroxide; and mixing the process stream and catalase enzyme.
    Type: Application
    Filed: April 7, 2009
    Publication date: August 20, 2009
    Inventors: Kristie Joyce Bethune, Terry Franklin Formyduval, Jared John Schaefer, Manuel Venegas
  • Catalase decomposition of hydrogen peroxide in surfactants
    Patent number: 7575906
    Abstract: A process comprising the steps of continuously adding a catalase enzyme to a process stream, wherein the process stream comprises an amine oxide surfactant and hydrogen peroxide; and mixing the process stream and catalase enzyme.
    Type: Grant
    Filed: March 5, 2008
    Date of Patent: August 18, 2009
    Assignee: The Procter & Gamble Company
    Inventors: Kristie Joyce Bethune, Terry Franklin Formyduval, Jared John Schaefer, Manuel Venegas
  • Catalase decomposition of hydrogen peroxide in surfactants
    Publication number: 20080220496
    Abstract: A process comprising the steps of continuously adding a catalase enzyme to a process stream, wherein the process stream comprises an amine oxide surfactant and hydrogen peroxide; and mixing the process stream and catalase enzyme.
    Type: Application
    Filed: March 5, 2008
    Publication date: September 11, 2008
    Inventors: Kristie Joyce Bethune, Terry Franklin Formyduval, Jared John Schaefer, Manuel Venegas