Patents by Inventor Doreen L. Howard

Doreen L. Howard 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).

  • Poly(vinyl acetamide) adhesive for skin cleaning tape
    Patent number: 6228487
    Abstract: This invention involves skin cleaning products and tapes for removing keratotic plugs, dirt and other debris found on the skin and in skin pores and comprising a poly(vinyl acetamide) polymer based adhesive composition applied to a substrate backing material.
    Type: Grant
    Filed: December 31, 1998
    Date of Patent: May 8, 2001
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: Doreen L. Howard, Gary T. Martino, Ian W. Cottrell
  • Starch based adhesives for skin cleaning tape
    Patent number: 6207176
    Abstract: This invention involves skin cleaning products and tapes for removing keratotic plugs, dirt and other debris found on the skin and in skin pores and comprising a starch based remoistenable adhesive composition wherein the starch has from about 0 to 70% by weight amylose content and is converted to from about 30 WF to 20 DE.
    Type: Grant
    Filed: September 14, 1998
    Date of Patent: March 27, 2001
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: Doreen L. Howard, Frank A. Nowak, Jr., Daniel B. Solarek, James L. Eden, Gary T. Martino