Patents by Inventor Rajeshwar Reddy Sagyam

Rajeshwar Reddy Sagyam 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).

  • Processes to produce intermediates for rosuvastatin
    Patent number: 7161004
    Abstract: Intermediate compounds for preparing rosuvastatin are prepared by a process comprising oxidizing hydroxy groups to aldehyde groups, using sodium hypochlorite and 2,2,6,6-tetramethyl piperidinyl oxy free radical (TEMPO) as a catalyst.
    Type: Grant
    Filed: June 21, 2005
    Date of Patent: January 9, 2007
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: Srinivasulu Gudipati, Srinivas Katkam, Rajeshwar Reddy Sagyam, Jaya Satyanaraya Kudavalli