Patents by Inventor Darla Bonar Kettenacker

Darla Bonar Kettenacker 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).

  • Granular detergent composition containing an optimum surfactant system for cold temperature laundering
    Patent number: 6207633
    Abstract: A granular detergent composition which includes a surfactant system containing linear alkylbenzene sulfonate, acyclic quaternary ammonium salt, alkyl sulfate and alkyl ethoxy sulfate surfactants in selected molar ratios is provided. The composition has improved performance in cold temperature (i.e., 5° C. to 30° C.) laundering operations.
    Type: Grant
    Filed: December 16, 1999
    Date of Patent: March 27, 2001
    Assignee: The Procter & Gamble Company
    Inventors: Darla Bonar Kettenacker, Eugene Joseph Pancheri, Jacqueline Westfield, Rose Marie Weitzel