Patents by Inventor Deborah Jean Zemlock

Deborah Jean Zemlock 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).

  • Nonwoven fabric laminate with enhanced barrier properties
    Patent number: 5688157
    Abstract: There is provided a laminate of nonwoven fabrics for barrier applications which has improved ratios of barrier and strength to weight, of softness to strength and of vapor transmission to barrier. The laminate has a meltblown layer sandwiched between spunbond layers to produce an SMS laminate. The meltblown and spunbond layers may have between 0.1 to 2.0 weight percent of a fluorocarbon and the meltblown layer preferably between 5 and 20 weight percent polybutylene. The laminate also may have pigments if desired. Such laminates are useful for garments.
    Type: Grant
    Filed: November 8, 1996
    Date of Patent: November 18, 1997
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Stephen Stewart Bradley, David Craige Strack, Randall Dee Lowery, Deborah Jean Zemlock, Mary Katherine Lawson