Patents by Inventor Rajesh Prabhakar Kale

Rajesh Prabhakar Kale 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).

  • Prodrugs of benzoquinolizine-2-carboxylic acid
    Patent number: 7868173
    Abstract: The instant invention relates to novel prodrugs of optically pure benzoquinolizine-2-carboxylic acid and pharmaceutical compositions that include the prodrugs. In particular, the present invention relates to the sulfonic acid salts of L-alanine and L-valine prodrugs of S-(?)-9-fluoro-6,7-dihydro-8-(4-hydroxypiperidin-1-yl)-5-methyl-1-oxo-1H,5H-benzo[i,j]quinolizine-2-carboxylic acid. The compounds and compositions of the invention can be used to treat bacterial Gram-positive, Gram-negative and anaerobic infections, especially infections caused by resistant Gram-positive organism and Gram-negative organism, mycobacterial infections and emerging nosocomial pathogen infections.
    Type: Grant
    Filed: March 9, 2007
    Date of Patent: January 11, 2011
    Assignee: Wockhardt Limited
    Inventors: Mahesh Vithalbhai Patel, Vijaya Narayan Desai, Prasad Keshav Deshpande, Ravindra Dattatraya Yeole, Rajesh Prabhakar Kale