Patents by Inventor Bis{umlaut over (w)}ajit Das

Bis{umlaut over (w)}ajit Das 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).

  • Oxazolidinone piperazinyl derivatives as potential antimicrobials
    Patent number: 6956040
    Abstract: The present invention relates to certain substituted phenyl piperazinyl oxazolidinones, for example, to those having the structure of Formula I with the variables as defined within, and to processes for the synthesis of the same. This invention also relates to pharmaceutical compositions containing the compounds of the present invention as antimicrobials. The compounds are useful antimicrobial agents, effective against a number of human and veterinary pathogens, including gram-positive aerobic bacteria such as multiply-resistant staphylococci, streptococci and enterococci as well as anaerobic organisms such as Bacterioides spp. and Clostridia spp. species, and acid fast organisms such as Mycobacterium tuberculosis, Mycobacterium avium and Mycobacterium spp.
    Type: Grant
    Filed: January 17, 2002
    Date of Patent: October 18, 2005
    Assignee: Ranbaxy Laboratories Limited
    Inventors: Anita Mehta, Sudershan K. Arora, Bis{umlaut over (w)}ajit Das, Abhijit Ray, Sonali Rudra, Ashok Rattan