Patents by Inventor Richard Ting

Richard Ting 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).

  • Press coated, pulsatile drug delivery system suitable for oral administration
    Patent number: 6372254
    Abstract: A press coated, pulsatile drug delivery system suitable for oral administration having an immediate-release compartment, which contains a compressed blend of an active agent and one or more polymers, substantially enveloped by an extended-release compartment, which contains a compressed blend of the active agent and hydrophilic and hydrophobic polymers, can provide a substantially first order delivery of the active agent, interrupted by a timed, pulsed delivery of an increased amount of the active agent; and when the extended-release compartment is substantially enveloped by an optional instant-release compartment, can provide a dose sufficient to exceed the liver's metabolic capacity and to maintain therapeutic levels, preferably throughout a 24-hour period.
    Type: Grant
    Filed: April 2, 1998
    Date of Patent: April 16, 2002
    Assignee: Impax Pharmaceuticals Inc.
    Inventors: Richard Ting, Charles Hsiao