Patents by Inventor Achampeta Prasad

Achampeta Prasad 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).

  • PREPARATION OF BILE ACIDS AND INTERMEDIATES THEREOF
    Publication number: 20100179337
    Abstract: Synthetic methods for preparing deoxycholic acid and intermediates thereof are provided.
    Type: Application
    Filed: May 16, 2008
    Publication date: July 15, 2010
    Applicant: Kythera Biopharmaceuticals, Inc.
    Inventors: Achampeta Prasad, Roy Swaringen, John Reid, Robert Moriarty, Akhila Sahoo
  • Amorphous (sumatriptan) succinate
    Publication number: 20060167274
    Abstract: The present invention relates to an amorphous form of Sumatriptan succinate of Formula (1). The present invention also relates to process for the preparation of an amorphous form of Sumatriptan succinate. The process for the preparation of an amorphous form of Sumatriptan succinate comprises refluxing an aqueous mixture of Sumatriptan or its succinate salt in alcoholic solvents such as methanol or nitrile solvents such as acetonitrile followed by evaporation of the solvent from the filtrate. The resulting residue is triturated with water immiscible aromatic or aliphatic hydrocarbon solvents such as cyclohexane to afford an amorphous form of Sumatriptan succinate.
    Type: Application
    Filed: March 22, 2006
    Publication date: July 27, 2006
    Inventors: Manne Reddy, Srinivasan Rajan, Mokkarala Murthy, Achampeta Prasad
  • 3-'2-(Dimethylamino) ethyl!-n-methyl-1h-indole-5-methanesulfonamide and the succinate thereof
    Publication number: 20060106227
    Abstract: A process for the preparation of highly pure Sumatriptan id described. A process for the preparation of novel crystalline Form I and crystalline Form II of Sumatriptan succinate is described. Sumatriptan is used for alleviating the pain of migraine headaches.
    Type: Application
    Filed: June 16, 2004
    Publication date: May 18, 2006
    Applicant: Dr Reddy's laboratories Limited
    Inventors: Manne Reddy, Srinivasan Rajan, Mokkarala Murthy, Achampeta Prasad