Patents by Inventor Mairj Campbell

Mairj Campbell 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).

  • Detergent tablet
    Publication number: 20020160930
    Abstract: A detergent tablet for use in a washing machine, the tablet having one or more phases at least one of which is in the form of a compressed particulate solid comprising a cross-linked polymeric disintegrant and a disintegration retardant. The detergent tablets display improved and/or controlled dissolution, strength and long-term storage characteristics.
    Type: Application
    Filed: October 18, 2001
    Publication date: October 31, 2002
    Applicant: The Procter & Gamble Company
    Inventors: Harold Emmerson, Mairj Campbell, Anju Deepali Massey Brooker, Christiaan Arthur Jacques Kamiel Thoen