Patents by Inventor Indukumar G. Shah

Indukumar G. Shah 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).

  • Tablet containing cetirizine, pseudoephedrine, and naproxen containing a barrier layer
    Patent number: 8377475
    Abstract: In one aspect, the present invention features a tablet including: (i) a first drug layer including naproxen; (ii) a second drug layer including a decongestant (e.g., pseudoephedrine) wherein said second drug layer is a sustained release layer adapted to deliver a therapeutically effective amount of pseudoephedrine for a period of at least twelve hours; and (iii) a barrier layer that does not include naproxen, wherein the barrier layer is in contact with the first drug layer; and (iv) a third drug layer including cetirizine, wherein the third drug layer is in contact with the barrier layer and is not in contact with the first drug layer.
    Type: Grant
    Filed: January 4, 2010
    Date of Patent: February 19, 2013
    Assignee: McNeil-PPC, Inc.
    Inventors: Satish Kamath, Indukumar G. Shah, Michael Nichols, Dinesh Patel
  • Three layer tablet containing cetirizine, pseudoephedrine, and naproxen
    Patent number: 8246988
    Abstract: In one aspect, the present invention features a tablet including a first drug layer, a second drug layer, and a third drug layer, wherein (i) the first drug layer includes naproxen; (ii) a second drug layer including pseudoephedrine; and (iii) the third drug layer includes cetirizine; wherein the first drug layer is in contact with the second drug layer, the third drug layer is in contact with the second drug layer, and the first drug layer is not in contact with the third drug layer, and wherein the second drug layer is a sustained release layer adapted to deliver a therapeutically effective amount of pseudoephedrine for a period of at least twelve hours.
    Type: Grant
    Filed: January 4, 2010
    Date of Patent: August 21, 2012
    Assignee: McNeil-PPC, Inc.
    Inventors: Satish Kamath, Indukumar G. Shah, Michael Nichols, Dinesh Patel
  • Three Layer Tablet Containing Cetirizine, Pseudoephedrine, and Naproxen
    Publication number: 20100172987
    Abstract: In one aspect, the present invention features a tablet including a first drug layer, a second drug layer, and a third drug layer, wherein (i) the first drug layer includes naproxen; (ii) a second drug layer including pseudoephedrine; and (iii) the third drug layer includes cetirizine; wherein the first drug layer is in contact with the second drug layer, the third drug layer is in contact with the second drug layer, and the first drug layer is not in contact with the third drug layer, and wherein the second drug layer is a sustained release layer adapted to deliver a therapeutically effective amount of pseudoephedrine for a period of at least twelve hours.
    Type: Application
    Filed: January 4, 2010
    Publication date: July 8, 2010
    Inventors: Satish Kamath, Indukumar G. Shah, Michael Nichols, Dinesh Patel
  • Tablet Containing Cetirizine, Pseudoephedrine, and Naproxen Containing a Barrier Layer
    Publication number: 20100172985
    Abstract: In one aspect, the present invention features a tablet including: (i) a first drug layer including naproxen; (ii) a second drug layer including a decongestant (e.g., pseudoephedrine) wherein said second drug layer is a sustained release layer adapted to deliver a therapeutically effective amount of pseudoephedrine for a period of at least twelve hours; and (iii) a barrier layer that does not include naproxen, wherein the barrier layer is in contact with the first drug layer; and (iv) a third drug layer including cetirizine, wherein the third drug layer is in contact with the barrier layer and is not in contact with the first drug layer.
    Type: Application
    Filed: January 4, 2010
    Publication date: July 8, 2010
    Inventors: Satish Kamath, Indukumar G. Shah, Michael Nichols, Dinesh Patel
  • Microcrystalline cellulose particles having active core
    Patent number: 6149943
    Abstract: The present invention provides a core of predominately microcrystalline cellulose, on which an active drug is layered onto the core via solution coating. The coated particles have a narrower particle size distribution than coated granules provided by other processes. An optional final coating of a pharmaceutically acceptable polymeric coating is provided to provide tastemaking or controlled release, and protection of the drug-layered particles.
    Type: Grant
    Filed: November 2, 1999
    Date of Patent: November 21, 2000
    Assignee: McNeil-PPC, Inc.
    Inventors: Daniel McTeigue, Indukumar G. Shah, Karen Swider, David W. Wynn
  • Preparation of pharmaceutically active particles
    Patent number: 5997905
    Abstract: The present invention provides a core of predominately microcrystalline cellulose, on which an active drug is layered onto the core via solution coating. The coated particles have a narrower particle size distribution than coated granules provided by other processes. An optional final coating of a pharmaceutically acceptable polymeric coating is provided to provide tastemaking or controlled release, and protection of the drug-layered particles.
    Type: Grant
    Filed: September 4, 1998
    Date of Patent: December 7, 1999
    Assignee: McNeil-PPC
    Inventors: Daniel McTeigue, Indukumar G. Shah, Karen Swider, David W. Wynn