Patents by Inventor John D. Davies

John D. Davies 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).

  • Method of making a rapidly dissolving tablet
    Patent number: 5635210
    Abstract: The present invention comprises a tablet, and method for making such, which disintegrates or dissolves in a matter of just a few seconds once placed into the oral cavity. Generally, the method of the present invention comprises up to four steps. First, a porous particulate powder which will serve as the tablet support matrix is produced. In the second step, the pharmaceutical, for example an antihistamine, decongestant, or antibiotic is combined with the powder. Other additives may also be added to the mixture. In the third step the mixture is formed into a tablet. Finally, in the fourth step, a coating may be applied to the outer surface of the tablet to enhance the intactness and durability of the tablet.
    Type: Grant
    Filed: December 8, 1994
    Date of Patent: June 3, 1997
    Assignees: The Board of Regents of the University of Oklahoma, Janssen Pharmaceutica, Inc.
    Inventors: Loyd V. Allen, Jr., Bingnan Wang, John D. Davies