Patents by Inventor Adrienne W. Williams

Adrienne W. Williams 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).

  • Barrier element fabrics, barrier elements, and protective articles incorporating such elements
    Patent number: 5683809
    Abstract: Protective articles such as diapers, having filmless hydrophobic barrier elements such as cuffs and backing sheets. The barrier cuffs--which can be, for instance, leg cuffs and waistbands--and the backing sheets can be provided from fabrics having a fabric weight of at least 10 gsy; these fabrics are made of cardable, hydrophobic polyolefin fibers having a dpf value of not more than about 2.0.
    Type: Grant
    Filed: May 5, 1994
    Date of Patent: November 4, 1997
    Assignee: Hercules Incorporated
    Inventors: Walter J. Freeman, Rakesh K. Gupta, James H. Harrington, Richard J. Legare, Thomas L. Smith, Adrienne W. Williams