Patents by Inventor C. M. Haricharan Raju

C. M. Haricharan Raju 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 amino acid amides
    Patent number: 7531673
    Abstract: A process for making amino acid amides, comprising reacting an amino acid, or acid salt of an amino acid, with a halogenating agent, or with a substance that reacts with carboxylic acids to form a leaving group, to form an intermediate, then reacting the intermediate with ammonia. When the amino acid or acid salt is enantiomerically pure, the amide will be a stereoisomer. An amide made by the process can be used to form levetiracetam.
    Type: Grant
    Filed: February 16, 2005
    Date of Patent: May 12, 2009
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: Palle V. R. Acharyulu, C. M. Haricharan Raju