Patents by Inventor Narayan K. A. S. S. Garimella

Narayan K. A. S. S. Garimella 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 preparing rosuvastatin calcium
    Patent number: 8318933
    Abstract: The present invention relates to an improved process for preparing Rosuvastatin calcium of Formula I.
    Type: Grant
    Filed: October 29, 2007
    Date of Patent: November 27, 2012
    Assignee: Aurobindo Pharma Ltd
    Inventors: Sambhu Prasad Sarma Mallela, Narayan K. A. S. S. Garimella, Sukumar Nandi, Sunil Kumar Buridipad, Gangadhar Bhima Shankar Nangi, Ramesh Dandala, Sivakumaran Meenakshisunderam
  • PROCESS FOR PREPARING ROSUVASTATIN CALCIUM
    Publication number: 20100048899
    Abstract: The present invention relates to an improved process for preparing Rosuvastatin calcium of Formula I.
    Type: Application
    Filed: October 29, 2007
    Publication date: February 25, 2010
    Inventors: Ramesh Dandala, Sambhu Prasad Sarma Mallela, Narayan K.A.S.S. Garimella, Sukumar Nandi, Sunil Kumar Buridipad, Gangadhar Bhima Shankar Nangi, Sivakumaran Meenakshisunderam
  • Process for the preparation of biphosphonic acids
    Patent number: 7528280
    Abstract: An improved process for bisphosphonylation of acids, substituted acids to obtain compounds with the formula using phosphorus trihalide, phosphorus acid, in presence of phenolic compounds as diluent/solvent.
    Type: Grant
    Filed: January 18, 2007
    Date of Patent: May 5, 2009
    Assignee: Aurobindo Pharma Ltd.
    Inventors: Subba Reddy Danda, Narayan K. A. S. S. Garimella, Srinivasa Rao V. N Divvela, Ramesh Dandala, Sivakumaran Meenakshisunderam
  • Process for the preparation of biphosphonic acids
    Publication number: 20070173645
    Abstract: An improved process for bisphosphonylation of acids, substituted acids to obtain compounds with the formula using phosphorus trihalide, phosphorus acid, in presence of phenolic compounds as diluent/solvent.
    Type: Application
    Filed: January 18, 2007
    Publication date: July 26, 2007
    Inventors: Subba Reddy Danda, Narayan K.A.S.S. Garimella, Srinivasa Rao V.N Divvela, Ramesh Dandala, Sivakumaran Meenakshisunderam