Patents by Inventor Christopher Jon Miller

Christopher Jon Miller 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).

  • Expulsion of material from a delivery device
    Patent number: 5897874
    Abstract: A delivery device for delivering an active substance to a patient at a predetermined time after administration comprises a male hydrogel plug engaged in the neck of a female body. An expandable excipient such as a hydrogel powder or a pharmaceutical disintegrant in powder, slug or tablet form is provided beneath the active substance. In contact with an aqueous medium, the excipient absorbs water and swells such as to rapidly expel the active substance and effectively deliver it from the device.
    Type: Grant
    Filed: September 20, 1996
    Date of Patent: April 27, 1999
    Assignee: R. P. Scherer Corporation
    Inventors: Howard Norman Ernest Stevens, Abdul Rashid, Massoud Bakhshaee, Julie Stephanie Binns, Christopher Jon Miller