Patents by Inventor Shankar Ajay

Shankar Ajay 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).

  • Patent number: 7763602
    Abstract: Novel pyrrole derivatives of formula (I) and their pharmaceutically acceptable acid addition salts having superior antimycobacterial activity against clinically sensitive as well as resistant strains of Mycobacterium tuberculosis as well as having lesser toxicity compared to known compounds. The use of the novel compounds of formula (I) for treatment of latent tuberculosis including Multi Drug Resistant Tuberculosis (MDR TB). The methods for preparation of the novel compounds, pharmaceutical compositions containing the novel compounds and method of treating MDR TB by administration of compounds of formula (I).
    Type: Grant
    Filed: June 11, 2008
    Date of Patent: July 27, 2010
    Assignee: Lupin Limited
    Inventors: Sudershan Kumar Arora, Neelima Sinha, Sanjay Jain, Ram Shankar Upadhayaya, Gourhari Jana, Shankar Ajay, Rakesh Kumar Sinha
  • Patent number: 7691889
    Abstract: Novel compounds belonging to the class of oxazolidinones possessing potent antimycobacterial properties especially useful in the treatment of acid fast organisms such as Mycobacterium tuberculosis, Mycobacterium avium-intracellular complex, M. fortuitum and M. kansai. The compound and its pharmaceutically acceptable salts act as antibacterial agents. Also mentioned is a method for inhibiting growth of mycobacterial cells as well as a method of treating mycobacterial conditions such as Mycobacterium tuberculosis, drug resistant Mycobacterium tuberculosis, Mycobacterium avium-intracellular complex, M. fortuitum and M. kansai., including administering an antimycobacterially effective amount of the compound and/or pharmaceutically acceptable salts. There is also mentioned a process for the manufacture of the compound or its pharmaceutically acceptable salts.
    Type: Grant
    Filed: March 18, 2005
    Date of Patent: April 6, 2010
    Assignee: Lupin Limited
    Inventors: Sudershan Kumar Arora, Vijaykumar Jagdishwar Patil, Prathap Sreedharan Nair, Prasad Purushottam Dixit, Shankar Ajay, Rakesh Kumar Sinha
  • Patent number: 7691837
    Abstract: Novel pyrrole derivatives of formula (I) and their pharmaceutically acceptable acid addition salts having superior antimycobacterial activity against clinically sensitive as well as resistant strains of Mycobacterium tuberculosis as well as having lesser toxicity compared to known compounds. The use of the novel compounds of formula (I) for treatment of latent tuberculosis including Multi Drug Resistant Tuberculosis (MDR TB). The methods for preparation of the novel compounds, pharmaceutical compositions containing the novel compounds and method of treating MDR TB by administration of compounds of formula (I).
    Type: Grant
    Filed: September 20, 2002
    Date of Patent: April 6, 2010
    Assignee: Lupin Limited
    Inventors: Sudershan Kumar Arora, Neelima Sinha, Sanjay Jain, Ram Shankar Upadhayaya, Gourhari Jana, Shankar Ajay, Rakesh Kumar Sinha
  • Publication number: 20080242676
    Abstract: Novel pyrrole derivatives of formula (I) and their pharmaceutically acceptable acid addition salts having superior antimycobacterial activity against clinically sensitive as well as resistant strains of Mycobacterium tuberculosis as well as having lesser toxicity compared to known compounds. The use of the novel compounds of formula (I) for treatment of latent tuberculosis including Multi Drug Resistant Tuberculosis (MDR TB). The methods for preparation of the novel compounds, pharmaceutical compositions containing the novel compounds and method of treating MDR TB by administration of compounds of formula (I).
    Type: Application
    Filed: June 11, 2008
    Publication date: October 2, 2008
    Applicant: Lupin Limited
    Inventors: Sudershan Kumar Arora, Neelima Sinha, Sanjay Jain, Ram Shankar Upadhayaya, Gourhari Jana, Shankar Ajay, Rakesh Kumar Sinha
  • Publication number: 20050192275
    Abstract: Novel compounds belonging to the class of oxazolidinones possessing potent antimycobacterial properties especially useful in the treatment of acid fast organisms such as Mycobacterium tuberculosis, Mycobacterium avium-intracellular complex, M. fortuitum and M. kansai. The compound and its pharmaceutically acceptable salts thereof act as antibacterial agents. Also disclosed is a method for inhibiting growth of mycobacterial cells as well as a method of treating mycobacterial conditions such as Mycobacterium tuberculosis, drug resistant Mycobacterium tuberculosis, Mycobacterium avium-intracellular complex, M. fortuitum and M. kansai, comprising administering an antimycobacterially effective amount of the said compound and/or pharmaceutically acceptable salts thereof. There is also disclosed a process for the manufacture of the said compound or its pharmaceutically acceptable salts.
    Type: Application
    Filed: March 18, 2005
    Publication date: September 1, 2005
    Inventors: Sudershan Arora, Vijaykumar Patil, Prathap Nair, Prasad Dixit, Shankar Ajay, Rakesh Sinha
  • Publication number: 20050107370
    Abstract: Novel pyrrole derivatives of formula (I) and their pharmaceutically acceptable acid addition salts having superior antimycobacterial activity against clinically sensitive as well as resistant strains of Mycobacterium tuberculosis as well as having lesser toxicity compared to known compounds. The use of the novel compounds of formula (I) for treatment of latent tuberculosis including Multi Drug Resistant Tuberculosis (MDR TB). The methods for preparation of the novel compounds, pharmaceutical compositions containing the novel compounds and method of treating MDR TB by administration of compounds of formula (I).
    Type: Application
    Filed: September 20, 2002
    Publication date: May 19, 2005
    Inventors: Sudershan Arora, Neelima Sinha, Sanjay Jain, Ram Upadhayaya, Gourhari Jana, Shankar Ajay, Rakesh Sinha