Patents Examined by José A. Fertuna
  • Strength additives for tissue products
    Patent number: 6994770
    Abstract: A paper product having improved strength properties as disclosed. In accordance with the present invention, the paper product is treated with a strength agent comprising a derivatized polyethylene oxide. The paper product can be, for instance, a facial tissue, a bath tissue, a paper towel or the like.
    Type: Grant
    Filed: December 20, 2002
    Date of Patent: February 7, 2006
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Thomas G. Shannon, Dave Allen Soerens