Patents by Inventor Seema Kanwar

Seema Kanwar 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 ORLISTAT
    Publication number: 20090171104
    Abstract: The present invention provides a process for preparing orlistat (I) by alkanoylating an amino orlistat using formic acid anhydride as an alkanoylating agent to obtain orlistat substantially free of the byproduct, (S)-N-acetylleucine (1S)-1-[[(2S, 3S)-3-hexyl-4-oxo-2-oxetanyl]methyl] dodecyl ester (deformyl-N-acetyl orlistat).
    Type: Application
    Filed: May 10, 2006
    Publication date: July 2, 2009
    Inventors: Killol Patel, Seema Kanwar, Keshav Deo, Mohan Prasad
  • PROCESS FOR THE PREPARATION OF PRAMIPEXOLE AND NEW ANHYDROUS FORMS OF ITS DIHYDROCHLORIDE
    Publication number: 20090062549
    Abstract: The present invention provides processes for the preparation of (?) pramipexole or an acid addition salt thereof of Formula I. The present invention further provides for the novel polymorphic Forms A and B of anhydrous pramipexole dihydrochloride.
    Type: Application
    Filed: April 26, 2006
    Publication date: March 5, 2009
    Inventors: Seema Kanwar, Killol Patel, Keshav Deo, Mohan Prasad