Patents by Inventor Joan K. Kappes

Joan K. Kappes 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).

  • Transdermal melatonin delivery system
    Patent number: 5385736
    Abstract: A pressure sensitive adhesive coated sheet material for delivering melatonin through the skin. The sheet material has a flexible backing bearing a pressure sensitive adhesive coating involving an acrylic copolymer, melatonin, 2-(2-ethoxyethoxy)ethanol, and optionally N,N-dimethyldodecylamine-N-oxide.
    Type: Grant
    Filed: July 12, 1993
    Date of Patent: January 31, 1995
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Joan K. Kappes, John R. Hart