Patents by Inventor Duane Kenneth Zacharias

Duane Kenneth Zacharias 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: 6620143
    Abstract: A sanitary napkin having a body-side adhesive is disclosed having an absorbent core with at least one body-facing surface designed to be positioned against the wearer's body and a pressure sensitive adhesive secured to the body-facing surface. In one aspect, the article is limited in dimension and includes a hot melt adhesive to be pressed against the wearer's pudendal region and characterized by a midblock Tg of less than −10° C., a G′ (storage modulus) less than 15×104 dynes/cm2 at 10 rad/s. (25° C.), a G″ (loss modulus) of 1 to 6×104 dynes/cm2, a tensile strength greater than 10 psi, and requiring no subsequent curing operation after cooling.
    Type: Grant
    Filed: September 22, 1997
    Date of Patent: September 16, 2003
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Duane Kenneth Zacharias, Yung Hsiang Huang, Frank Gerald Druecke
  • Patent number: 6213993
    Abstract: An absorbent article is provided having an adhesive on the bodyfacing surface for securement of the article to the wearer. The adhesive has a rheological property tan &dgr; at 20° C. ranging from about 0.01 to about 0.6 at a frequency of about 0.1 radian per second and a tan &dgr; ranging from about 0.1 to about 1.7 at a frequency of about 1000 radians per second. Preferably the adhesive is a hot melt adhesive.
    Type: Grant
    Filed: June 7, 1996
    Date of Patent: April 10, 2001
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Duane Kenneth Zacharias, Yung Hsiang Huang, Frank Gerald Druecke
  • Patent number: 6010972
    Abstract: Disclosed is an adhesive that exhibits desired oil-resistance and processing properties. The adhesive is suitable for use in elastic composites and disposable absorbent products. In one embodiment, the adhesive exhibits the following properties: an Elastic Modulus value that is greater than about 4.times.10.sup.5 dynes per square centimeter at 40.degree. C. across the frequency range of about 0.1 to about 100 radians per second; an Elastic Modulus in Oil value that is greater than about 4.times.10.sup.5 dynes per square centimeter at 40.degree. C. across the frequency range of about 0.1 to about 100 radians per second; a Viscosity value of less than about 40,000 centipoise at a temperature of about 275.degree. F.; and a Viscosity value of greater than about 60,000 centipoise at a temperature of about 250.degree. F.
    Type: Grant
    Filed: March 24, 1997
    Date of Patent: January 4, 2000
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Duane Kenneth Zacharias, Ruth Ann Lachapell, Brian Keith Nortman, Douglas Allen Woller