Patents by Inventor Pamela J. Williams

Pamela J. 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).

  • Hygienic absorbent pads
    Patent number: 4666439
    Abstract: A hygienic absorbent pad is described which comprises an elongate absorbent core, a liquid pervious sheet over the front face of the absorbent core and a liquid absorbent core, which barrier sheet has longitudinal edge portions which cover the longitudinal sides of the absorbent, which longitudinal edge portions have a layer in contact with a surface thereof of a water absorbing polymer such as a hydrophilic polyurethane which is capable of inhibiting leakage of body fluids from the front surface of the absorbent pad to the sides thereof.
    Type: Grant
    Filed: June 14, 1985
    Date of Patent: May 19, 1987
    Assignee: Smith & Nephew Associated Companies Limited
    Inventors: Pamela J. Williams, John G. B. Howes