Patents by Inventor Satish Chaudra Khanna

Satish Chaudra Khanna 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).

  • Controlled release drug delivery device
    Patent number: 5681584
    Abstract: A drug delivery device for delivering a drug either intermittently or to a pre-selected region of the gastro-intestinal tract, particularly to the colon, consists of an a solid core comprising an active agent coated with a delay jacket, then coated with a semi-permeable membrane which is optionally drilled to provide a release orifice, and then optionally further coated with an enteric material. The device delivers substantially all of the active agent to the targeted site.
    Type: Grant
    Filed: March 22, 1996
    Date of Patent: October 28, 1997
    Assignee: Ciba-Geigy Corporation
    Inventors: Louis Savastano, James Carr, Elizabeth Quadros, Shailesh Shah, Satish Chaudra Khanna