Patents by Inventor Liza Marie Sanchez

Liza Marie Sanchez 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).

  • Patent number: 5830202
    Abstract: The invention relates to an absorbent structure (1) having a first layer which forms a mixture of absorbent gelling material particles (5), fibers, a second layer comprising liquid permeable substrate (7), and absorbent gelling material particles (9) attached to said substrate thus forming a laminate. The weight of the absorbent gelling material particles (5) in the mixed layer is not more than 70 percent, preferably not more than 60 percent of the weight of the mixed layer. The combined weight of the absorbent gelling material particles attached to the substrate (7), and in the mixed layer (5) is at least 80 percent, preferably at least 140 percent of the weight of fibers in the mixed layer (5). The laminate (7, 9) can be located on top of the mixed layer (5), and comprises an acquisition zone (15) of low basis weight of absorbent gelling material particles. The laminate may also be located below the mixed layer.
    Type: Grant
    Filed: January 29, 1997
    Date of Patent: November 3, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Michael Scott Bogdanski, Barry Robert Feist, John Joseph Litchholt, Liza Marie Sanchez, Mattias Schmidt
  • Patent number: D442352
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: May 22, 2001
    Assignee: The Procter & Gamble Company
    Inventors: Joyce Marie Benjamin, Liza Marie Sanchez