Patents by Inventor Tracy Neal Wilson

Tracy Neal Wilson 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).

  • Methods of making stretched filled microporous films
    Patent number: 6179939
    Abstract: Breathable barriers, comprising a thermoplastic polymer and at least 30% by weight filler, are stretched in one direction in multiple discrete steps wherein the strain rate of each discrete stretching step is less than about 100,000%/minute and wherein the line speed of the last stretching step is in excess of 500 feet per minute. The resulting films may be stretched, as a result of the cumulative discrete stretching operations, from about 2 to 7 times its original length in order to create a breathable barrier having a WVTR in excess of 800 g/m2/day and a hydrohead of at least 60 cm.
    Type: Grant
    Filed: May 12, 1997
    Date of Patent: January 30, 2001
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Billy Ray Jones, Jr., Rob Lee Jacobs, Tracy Neal Wilson