Patents by Inventor Philippe Cham

Philippe Cham 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).

  • Dual chamber cleansing system, comprising multiple emulsion
    Patent number: 6268322
    Abstract: The invention provides an at least dual compartment container containing at least one surfactant stripe and at least one multiple emulsion stripe. By dispensing a multiple emulsion stripe, greater deposition, particularly deposition of water soluble benefit agent (e.g., glycolic acid) is achieved than believed possible.
    Type: Grant
    Filed: October 22, 1999
    Date of Patent: July 31, 2001
    Assignee: Unilever Home & Personal Care USA, a division of Conopco, Inc.
    Inventors: Dale St. Lewis, Helen Elizabeth Knaggs, Mark Stephen Naser, Philippe Cham