Patents by Inventor Swargam Sathyanarayana

Swargam Sathyanarayana 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 rosuvastatin
    Publication number: 20050222415
    Abstract: The present invention relates to a cost effective and industrially advantageous process for the preparation of 4-4(fluorophenyl)-6-isopropyl-2-(N-methyl-N-methylsulphonylamino)-5-pyrimidinecarboxaldehyde, referred to here as pyrimidine aldehyde of structural Formula I and to the use of this compound as intermediate for the preparation of rosuvastatin.
    Type: Application
    Filed: May 21, 2003
    Publication date: October 6, 2005
    Inventors: Yatendra Kumar, Shantanu De, Mohammad Rafeeq, Hashim Nizar Poovanathil Meeran, Swargam Sathyanarayana
  • Process for the preparation of citalopram
    Publication number: 20050085534
    Abstract: The present invention relates to an improved and industrially advantageous process for the preparation of citalopram represented by the following Formula I, and pharmaceutically acceptable acid addition salt thereof.
    Type: Application
    Filed: March 8, 2002
    Publication date: April 21, 2005
    Inventors: Sujay Biwas, Tarun Sharma, Yatendra Kumar, Swargam Sathyanarayana, Bakthavathsalan Vijayaraghavan
  • Process for the preparation of citalopram hydrobromide
    Publication number: 20040254385
    Abstract: The present invention relates to an industrially advantageous process for the preparation of pure citalopram hydrobromide.
    Type: Application
    Filed: May 18, 2004
    Publication date: December 16, 2004
    Inventors: Swargam Sathyanarayana, Yatendra Kumar, Tarum Kant Sharma, Sujay Biswas, Bakthavthsalan Vijayraghavan
  • Process for the preparation of fluoxetine hydrochloride
    Patent number: 6677485
    Abstract: An improved and industrially advantageous process for the preparation of the antidepressant fluoxetine and its pharmaceutically acceptable salts, preferably hydrochloride.
    Type: Grant
    Filed: August 9, 2002
    Date of Patent: January 13, 2004
    Assignee: Ranbaxy Laboratories Limited
    Inventors: Naresh Kumar, Bakthavathsalan Vijayaraghavan, Kinali Venkata Ramana, Swargam Sathyanarayana
  • Process for the preparation of fluoxetine hydrochloride
    Publication number: 20030050508
    Abstract: An improved and industrially advantageous process for the preparation of the antidepressant fluoxetine and its pharmaceutically acceptable salts, preferably hydrochloride.
    Type: Application
    Filed: August 9, 2002
    Publication date: March 13, 2003
    Inventors: Naresh Kumar, Bakthavathsalan Vijayaraghavan, Kinali Venkata Ramana, Swargam Sathyanarayana