Patents by Inventor Sumithra Srinath

Sumithra Srinath 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 amorphous fluvastatin sodium
    Patent number: 8115013
    Abstract: The present invention relates to a novel process for the preparation of the HMG-CoA reductase inhibitor, fluvastatin, more specifically to a process for the preparation of amorphous form of fluvastatin sodium.
    Type: Grant
    Filed: October 5, 2004
    Date of Patent: February 14, 2012
    Assignee: Biocon Limited
    Inventors: Sumithra Srinath, Tom Thomas Puthiaprampil, Ravindra Chandrapa, Sambasivam Ganesh
  • Process for the production of amorphous atorvastatin calcium
    Patent number: 7645888
    Abstract: A novel process of the preparation of amorphous atorvastatin calcium starting from a compound of Formula (II).
    Type: Grant
    Filed: August 27, 2004
    Date of Patent: January 12, 2010
    Assignee: Biocon Limited
    Inventors: Sumithra Srinath, Joy Matthew, Tom Thomas Puthiaprampil, Sambasivam Ganesh
  • Process for the preparation of tert-butyl 6-cyano-5-hydroxy-3-oxohexanoate
    Patent number: 7557238
    Abstract: In one aspect, the present invention provides a novel process for the preparation of tert-butyl 6-cyano-5-hydroxy-3-oxohexanoate, a key intermediate for the preparation of HMG-CoA reductase inhibitor.
    Type: Grant
    Filed: September 18, 2003
    Date of Patent: July 7, 2009
    Assignee: Biocon Limited
    Inventors: Sumithra Srinath, Tom Thomas Puthiaparampil, Sambasivam Ganesh
  • PROCESS FOR THE PRODUCTION OF AMORPHOUS ATORVASTATIN CALCIUM
    Publication number: 20090171099
    Abstract: A novel process of the preparation of amorphous atorvastatin calcium starting from a compound of Formula (II).
    Type: Application
    Filed: August 27, 2004
    Publication date: July 2, 2009
    Applicant: BIOCON LIMITED
    Inventors: Sumithra Srinath, Joy Mathew, Tom Thomas Puthiaprampil, Sambasivam Ganesh
  • Process for the Preparation of Amorphous Fluvastatin Sodium
    Publication number: 20080262245
    Abstract: The present invention relates to a novel process for the preparation of the HMG-CoA reductase inhibitor, fluvastatin, more specifically to a process for the preparation of amorphous form of fluvastatin sodium.
    Type: Application
    Filed: October 5, 2004
    Publication date: October 23, 2008
    Inventors: Sumithra Srinath, Tom Thomas Puthiaprampil, Ravindra Chandrapa, Sambasivam Ganesh
  • Boronate esters
    Patent number: 7301046
    Abstract: The present invention relates to optically active boronate derivatives which are useful as intermediates for the synthesis of HMG-CoA enzyme inhibitors such as atorvastatin, cerivastatin rosuvastatin, pitavastatin, and fluvastatin.
    Type: Grant
    Filed: February 25, 2002
    Date of Patent: November 27, 2007
    Assignee: Biocon Limited
    Inventors: Tom Thomas Puthiaparampil, Sumithra Srinath, Madhavan Sridharan, Sambasivam Ganesh
  • Boronate esters
    Patent number: 7238826
    Abstract: The present invention relates to optically active boronate derivatives which are useful as intermediates for the synthesis of HMG-CoA enzyme inhibitors such as atorvastatin, cerivastatin, rosuvastatin, pitavastatin, and fluvastatin.
    Type: Grant
    Filed: August 23, 2004
    Date of Patent: July 3, 2007
    Assignee: Biocon Limited
    Inventors: Tom Thomas Puthiaparampil, Sumithra Srinath, Madhavan Sridharan, Sambasivam Ganesh
  • Novel boronate esters
    Publication number: 20060040898
    Abstract: The present invention relates to optically active boronate derivatives which are useful as intermediates for the synthesis of HMG-CoA enzyme inhibitors such as atorvastatin, cerivastatin, rosuvastatin, pitavastatin, and fluvastatin.
    Type: Application
    Filed: August 23, 2004
    Publication date: February 23, 2006
    Inventors: Tom Puthiaparampil, Sumithra Srinath, Madhavan Sridharan, Sambasivam Ganesh
  • Novel boronate esters
    Publication number: 20050154213
    Abstract: The present invention relates to optically active boronate derivatives which are useful as intermediates for the synthesis of HMG-CoA enzyme inhibitors such as atorvastatin, cerivastatin rosuvastatin, pitavastatin, and fluvastatin.
    Type: Application
    Filed: February 25, 2002
    Publication date: July 14, 2005
    Applicant: Biocon Limited
    Inventors: Tom Puthiaparampil, Sumithra Srinath, Madhavan Sridharan, Sambasivam Ganesh
  • Novel process for the preparation of tert-butyl 6-cyano-5-hydroxy-3-oxohexanoate
    Publication number: 20050065362
    Abstract: In one aspect, the present invention provides a novel process for the preparation of tert-butyl 6-cyano-5-hydroxy-3-oxohexanoate, a key intermediate for the preparation of HMG-CoA reductase inhibitor.
    Type: Application
    Filed: September 18, 2003
    Publication date: March 24, 2005
    Inventors: Sumithra Srinath, Tom Puthiaparampil, Sambasivam Ganesh