Patents by Inventor Bakthavathsalan Vijayaraghavan

Bakthavathsalan Vijayaraghavan 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).

  • Amorphous form of esomeprazole salts
    Patent number: 7482463
    Abstract: The invention relates to an amorphous form of the salts of the (-) enantiomer or (S)-enantiomer of omeprazole, i.e., esomeprazole. The invention also relates to processes for preparing amorphous esomeprazole salts and pharmaceutical compositions that include the amorphous esomeprazole salts.
    Type: Grant
    Filed: November 28, 2007
    Date of Patent: January 27, 2009
    Assignee: Ranbaxy Laboratories Limited
    Inventors: Mahavir Singh Khanna, Bakthavathsalan Vijayaraghavan, Mohan Prasad, Yatendra Kumar
  • AMORPHOUS FORM OF ESOMEPRAZOLE SALTS
    Publication number: 20080119654
    Abstract: The invention relates to an amorphous form of the salts of the (-) enantiomer or (S)-enantiomer of omeprazole, i.e., esomeprazole. The invention also relates to processes for preparing amorphous esomeprazole salts and pharmaceutical compositions that include the amorphous esomeprazole salts.
    Type: Application
    Filed: November 28, 2007
    Publication date: May 22, 2008
    Inventors: Mahavir Singh KHANNA, Bakthavathsalan Vijayaraghavan, Mohan Prasad, Yatendra Kumar
  • 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
  • Amorphous form of esomeprazole salts
    Publication number: 20040235903
    Abstract: The invention relates to an amorphous form of the salts of the (−) enantiomer or (S)-enantiomer of omeprazole, i.e., esomeprazole. The invention also relates to processes for preparing amorphous esomeprazole salts and pharmaceutical compositions that include the amorphous esomeprazole salts.
    Type: Application
    Filed: October 22, 2003
    Publication date: November 25, 2004
    Inventors: Mahavir Singh Khanna, Bakthavathsalan Vijayaraghavan, Mohan Prasad, Yatendra Kumar
  • 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
  • Novel amorphous form of omeprazole salts
    Publication number: 20030212274
    Abstract: The present invention relates to novel amorphous form of salts and process for the preparation thereof.
    Type: Application
    Filed: April 2, 2003
    Publication date: November 13, 2003
    Inventors: Bakthavathsalan Vijayaraghavan, Tarun Sharma, Naresh Kumar
  • 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