Patents by Inventor Satischandra P. Patel

Satischandra P. Patel 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).

  • Sustained release composition for oral administration of active ingredient
    Patent number: 5407686
    Abstract: A sustained release tablet adapted to provide an initial immediate release of an active agent, a period of no release of the active agent, followed by a substantially constant, rate of release of the active agent. The tablet includes (a) a compressed tablet core containing an active agent, an insoluble binder and an insoluble; (b) a barrier coating formed over the tablet core, the barrier coating including a mixture of soluble and insoluble polymers and a plasticizer; (c) an active coating deposited over the barrier coating, the active coating including an active agent, a soluble polymer and a plasticizer; and (d) a film coating formed over the active coating, the film coating containing a soluble polymer and plasticizer.
    Type: Grant
    Filed: January 29, 1992
    Date of Patent: April 18, 1995
    Assignee: Sidmak Laboratories, Inc.
    Inventors: Satischandra P. Patel, Vinayak T. Bhalani