Patents by Inventor Vishnubhetla Nagaprasad

Vishnubhetla Nagaprasad 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).

  • Dosage forms of amlodipine and processes for their preparation
    Publication number: 20060270715
    Abstract: The technical field of the present invention relates to stable solid dosage forms of amlodipine base; and process of preparation thereof. In particular, it relates to solid dosage forms free of dicalcium phosphate. The stable amlodipine solid dosage form includes amlodipine base, microcrystalline cellulose, is substantially free of dicalcium phosphate, and has less than about 0.5% concentration (w/w) of Impurity D after three months at 40° C. and 75% relative humidity.
    Type: Application
    Filed: February 27, 2004
    Publication date: November 30, 2006
    Inventors: Romi Singh, Nidhi Singh, Vishnubhetla Nagaprasad, Rajiv Malik