Patents by Inventor Gary Lee Shanklin

Gary Lee Shanklin 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).

  • Patent number: 6030675
    Abstract: The invention relates to tissue products having improved softness properties and methods of making them. Specifically, improved softness is achieved by incorporating a cationic silicone amidoamine ester or phosphate and, optionally, one or more softeners/debonders into the fiber furnish at the wet end of the tissue machine prior to formation, followed by an optional topical treatment with a cationic silicone amidoamine ester or phosphate and/or one or more softeners/debonders after the tissue web is formed. The result is a tissue product with added bulk and a smooth surface feel, both properties contributing to improved softness characteristics.
    Type: Grant
    Filed: June 30, 1998
    Date of Patent: February 29, 2000
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Wen Zyo Schroeder, Gary Lee Shanklin
  • Patent number: 5904810
    Abstract: The invention relates to tissue products having improved softness properties and methods of making them. Specifically, improved softness is achieved by incorporating a cationic amidoamine into the fiber furnish at the wet end of the tissue machine prior to formation and/or by topical addition to the tissue web. One or more softeners/debonders can be added to the furnish and/or topically applied to the tissue web after the tissue web is dried. The result is a tissue product with added bulk and a smooth surface feel, both properties contributing to improved softness characteristics.
    Type: Grant
    Filed: October 25, 1996
    Date of Patent: May 18, 1999
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Wen Zyo Schroeder, Gary Lee Shanklin
  • Patent number: 5785813
    Abstract: An efficient and effective method for treating tissue making stock to make soft tissues involves adding a softening agent to a first papermaking furnish of short fibers, such as eucalyptus fibers. A second papermaking furnish of long fibers, such as softwood fibers, is blended with the short fiber furnish. Thereafter, wet strength agents and/or dry strength agents are added to the blended furnish. The treated furnish is then fed to a headbox and processed into soft tissue in any suitable manner.
    Type: Grant
    Filed: February 24, 1997
    Date of Patent: July 28, 1998
    Assignee: Kimberly-Clark Worldwide Inc.
    Inventors: Michael John Smith, Vinay Kumar Rao, Gary Lee Shanklin
  • Patent number: 5725736
    Abstract: The invention relates to tissue products having improved softness properties and methods of making them. Specifically, improved softness is achieved by incorporating a silicone betaine either into the furnish and/or topically applied to the tissue web. Optionally, one or more softeners/debonders are also incorporated into the fiber furnish at the wet end of the tissue machine prior to formation, and/or by an optional topical treatment after the tissue web is formed or dried. The result is a tissue product with added bulk and a smooth surface feel, both properties contributing to improved softness characteristics.
    Type: Grant
    Filed: October 25, 1996
    Date of Patent: March 10, 1998
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Wen Zyo Schroeder, Gary Lee Shanklin