Patents by Inventor Susan Judith Mason

Susan Judith Mason 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).

  • Bleaching compositions
    Patent number: 6444634
    Abstract: Granular detergent compositions and in particular low density, phosphate containing detergent compositions comprise a specific bleaching system containing hydrophobic peracid bleach and hydrophilic peracid bleach and a peroxide source. These detergent compositions have specific low levels of available oxygen from hydrophobic aid hydrophilic peroxyacid bleach, specific ratios of available oxygen from the hydrophobic peracid bleach to the hydrophilic peracid bleach and specific ratios of available oxygen of the peroxide source to the available oxygen of the peracids. These specific mixed bleach systems are useful for sanitization or reduction of bacterial activity.
    Type: Grant
    Filed: March 9, 2000
    Date of Patent: September 3, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Susan Judith Mason, Ludivine Pascale Grippay, Nour-Eddine Guedira, Donald Ray Brown, Michelle Frances Mellea