Patents by Inventor James Keeth Herms

James Keeth Herms 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).

  • Dentinal desensitizing compositions
    Patent number: 5653964
    Abstract: A composition containing a water soluble or water swellable polyelectrolyte mixed salt in a dentifrice base or other oral compositions which can be used for relieving pain and discomfort caused by hypersensitive teeth.
    Type: Grant
    Filed: May 23, 1995
    Date of Patent: August 5, 1997
    Assignee: Block Drug Company Inc.
    Inventors: James Keeth Herms, Kenneth Joel Markowitz