Patents by Inventor Narayanan Viswanathan

Narayanan Viswanathan 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 DOSAGE FORMS OF OXCARBAZEPINE
    Publication number: 20070059354
    Abstract: This invention relates to a once a day sustained release dosage form suitable for oral administration of oxcarbazepine. The once a day sustained release dosage form of oxcarbazepine includes oxcarbazepine and hydroxypropyl methylcellulose (HPMC) having a viscosity of 11,000 to 25,000 cps.
    Type: Application
    Filed: July 28, 2006
    Publication date: March 15, 2007
    Inventors: Sankar Ramakrishnan, Narayanan Viswanathan, Rajeev Raghuvanshi, Ashok Rampal
  • Sustained release compositions containing alfuzosin
    Publication number: 20060147530
    Abstract: The present invention relates to pharmaceutical compositions of alfuzosin or pharmaceutically acceptable salt, solvate, enantiomers or mixtures thereof, that release the active ingredient over an extended period of time. The pharmaceutical composition can be a sustained release oral dosage form that includes a single functional layer and, optionally, one or more nonfunctional layers adjacent to the single functional layer. The single functional layer includes alfuzosin or pharmaceutically acceptable salt, solvate, enantiomers or mixtures thereof and one or more release retarding ingredients.
    Type: Application
    Filed: October 22, 2003
    Publication date: July 6, 2006
    Inventors: Narayanan Viswanathan, Sankar Ramakrishnan, Rajeev Singh Raghuvanshi, Ashok Rampal