Patents by Inventor Sonmit Shrivastava

Sonmit Shrivastava 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).

  • PROCESS FOR THE PREPARATION OF A SINGLE ENANTIOMER OF 3-AMINOPIPERIDINE DIHYDROCHLORIDE
    Publication number: 20130172562
    Abstract: A process comprising: (a) reduction of N-acetyl-3-aminopyridine (2): or its salt in the presence of hydrogen and a palladium catalyst deposited on solid support; (b) converting racemic N-acetyl-3-aminopiperidine (3) or its salt produced in step (a) to rac-3-aminopiperidine (rac-4) or its salt; (c) resolution of the racemic 3-aminopiperidine (rac-4) or its salt produced in step (b) with a chiral acid.
    Type: Application
    Filed: June 17, 2011
    Publication date: July 4, 2013
    Applicants: DR. REDDY'S LABORATORIES, INC., DR. REDDY'S LABORATORIES LTD.
    Inventors: Graham Andrew Meek, Syam Kumar Unniaran Purakkal Kunhimon, R Shankar, Vilas Hareshwar Dahanukar, TH. Krishna Mohan, Manoj Balu Wagh, Abir Kumar Pal, V. Madhu Babu Meesala, Sonmit Shrivastava