Patents by Inventor Gary B. Kupperblatt

Gary B. Kupperblatt 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).

  • Iontophoretic patch with hydrogel reservoir
    Patent number: 5882677
    Abstract: An improved hydrogel reservoir for use in two-compartment iontophoretic patches is described. The hydrogel reservoir contains a water soluble polyelectrolyte and a fluid. The reservoir may also contain a matrix forming material such as polyvinylpyrrolidone. A preferred water-soluble polyelectrolyte is sodium polystyrene sulfonate.
    Type: Grant
    Filed: September 30, 1997
    Date of Patent: March 16, 1999
    Assignee: Becton Dickinson and Company
    Inventor: Gary B. Kupperblatt