Patents by Inventor David K. LeMahieu

David K. LeMahieu 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: 5509915
    Abstract: Generally stated, the present invention provides a distinctive absorbent article comprising a backsheet layer, and a topsheet layer which is disposed in facing relation with the backsheet layer. An absorbent body is interposed between the backsheet layer and topsheet layer. The absorbent body includes a retention portion which comprises a matrix of substantially hydrophilic fibers having a distribution of high-absorbency particulate material therein. The hydrophilic fibers and high-absorbency particles can be provided in a fiber-to-particle weight ratio within the range of about 70:30 to about 30:70. A surge management layer, comprising bicomponent fibers having a denier of not more than about 3 d, is located adjacent at least one major, facing surface of the topsheet layer, and can cooperate with the article components to provide for a liquid Penetration Rate index of not less than about 2.67 ml/sec.
    Type: Grant
    Filed: July 22, 1993
    Date of Patent: April 23, 1996
    Assignee: Kimberly-Clark Corporation
    Inventors: William D. Hanson, Lynn C. Brud, Shannon K. Byerly, Clifford J. Ellis, Rob D. Everett, Barbara A. Gossen, Violet M. Grube, David G. Iwanski, David K. LeMahieu, Jian Qin, Robert A. Stevens, Tom K. Wentzel, Sandra M. Yarbrough, David L. Zenker, MaryAnn Zunker