Patents by Inventor Debra Nell Welchel

Debra Nell Welchel 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).

  • Liquid-absorbing article
    Patent number: 5788684
    Abstract: The present invention is directed to a liquid-absorbing article which employs a high absorbency material such as superabsorbent particles. The particles are housed within discrete chambers formed within an absorbent core so as to provide access to incoming liquid and ample area for the particles to expand as they absorb the incoming liquid.
    Type: Grant
    Filed: March 12, 1996
    Date of Patent: August 4, 1998
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Frank Paul Abuto, Debra Nell Welchel, Carmen Elissa Sullivan