Patents by Inventor Ann Margaret Wolff

Ann Margaret Wolff 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 compositions containing lipase and protease
    Patent number: 5707950
    Abstract: The invention concerns laundry detergent compositions comprising lipase (especially the variant D96L of the native lipase derived from Humicola lanuginosa), protease, and surfactant, wherein said compositions comprise levels of lipase enzyme and protease enzyme such that the whitening performance of said compositions is increased. These compositions deliver an improved whiteness maintenance and/or dingy clean-up on fabrics.
    Type: Grant
    Filed: October 11, 1996
    Date of Patent: January 13, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Chandrika Kasturi, Andre Baeck, Ann Margaret Wolff