Patents by Inventor David John Willoughby

David John Willoughby 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).

  • IMPROVED TABLET COATING
    Publication number: 20100266687
    Abstract: The present invention provides a tablet coating composition including a cellulose polymer, a plasticiser, a sweetener, and a powdered flavour composition. The powdered flavour composition includes a flavourant associated with a solid carrier. The present invention also provides a pharmaceutical tablet including a core containing an active agent and a coating formed from the tablet coating composition.
    Type: Application
    Filed: October 30, 2008
    Publication date: October 21, 2010
    Applicant: Sanofi-aventis Healthcare Pty Limited
    Inventor: David John Willoughby
  • Pseudoephedrine combination pharmaceutical compositions
    Patent number: 5807579
    Abstract: A pharmaceutical tablet composition for oral administration containing pseudoephedrine pellets admixed with a tablet mixture containing a second active drug substance, either alone or in combination with pseudoephedrine or a pharmaceutically acceptable salt thereof, is disclosed. The pellets provide an extended release of pseudoephedrine, whereas the tablet mixture provides an immediate release of the second active drug and any pseudoephedrine.
    Type: Grant
    Filed: November 14, 1996
    Date of Patent: September 15, 1998
    Assignee: F.H. Faulding & Co. Limited
    Inventors: Zalman Vilkov, David John Willoughby, Eugene Quinn