Patents by Inventor Edmund DeRossett

Edmund DeRossett 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).

  • Selective placement of absorbent product materials in sanitary napkins and the like
    Patent number: 5817079
    Abstract: In absorbent products, such as sanitary napkins, discreet areas of dry fibrous materials such as fluid-repellent materials are precisely placed in various planes within the product so as to provide barriers to bodily fluid leakage from the product. In a preferred embodiment, hydrophobic fibers are placed around the periphery of a central absorbent area of an absorbent product to discourage and/or prevent side or end leakage from the product.
    Type: Grant
    Filed: February 10, 1994
    Date of Patent: October 6, 1998
    Assignee: McNeil-PPC, Inc.
    Inventors: Roger Bergquist, Peter Jackson, Subramanian Srinivasan, Martin Wislinski, Edmund DeRossett, James A. Bradstreet, Philip Stevenson, Schmuel Dabi