Patents by Inventor Didier Marcel Corrand

Didier Marcel Corrand 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).

  • Water unstable foam compositions
    Patent number: 6943200
    Abstract: The present invention relates to foam components comprising polymeric material and an active ingredient, such as detergent ingredients, which are to be delivered to aqueous environment. Highly preferred active ingredients include enzymes. The foam component is stable upon contact with air but dissolves, disintegrates or disperses in water. The invention also relates to compositions containing the foam components and methods for making the foam components.
    Type: Grant
    Filed: October 4, 2000
    Date of Patent: September 13, 2005
    Assignee: Procter & Gamble Company
    Inventors: Didier Marcel Corrand, David William York, Nigel Somerville-Roberts