Patents by Inventor Penny Sue Weed

Penny Sue Weed 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).

  • Patent number: 6903060
    Abstract: The present invention relates to formulation components, such as organic catalyst compounds having increased stability, compositions and laundry methods employing such organic catalyst compounds. More particularly, this invention relates to organic catalysts compounds such as quaternary imine bleach boosting compounds, quaternary oxaziridinium bleaching species, modified amines and amine oxides, compositions and laundry methods employing such organic catalyst compounds.
    Type: Grant
    Filed: August 25, 2000
    Date of Patent: June 7, 2005
    Assignee: Procter & Gamble Company
    Inventors: Robert Richard Dykstra, Penny Sue Weed