Patents by Inventor Rapolu Kumar

Rapolu Kumar 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).

  • Anhydrous crystalline forms of I and II of 1-cyclopropyl-6-fluoro-8-methoxy-7-(3-methyl-1- piperazinyl) 4-oxo-1, 4-dihydroquinoline-3-carboxylic acid (gatifloxacin)
    Publication number: 20060142300
    Abstract: The present invention relates to the novel anhydrous crystalline forms I and II of 1-cyclopropyl-6-fluoro-8-methoxy-7-(3-methyl-1-piperazinyl)4-oxo-1, 4-dihydroquinoline-3-carboxylic acid (gatifloxacin) which can be depicted as Formula (I). The present invention also relates to methods of making the anhydrous Forms I and II of Gatifloxacin, use of the forms and methods for preparing them.
    Type: Application
    Filed: April 7, 2003
    Publication date: June 29, 2006
    Inventors: Manne Reddy, Chakilam Raju, Vetukuri Venkata Naga Kali Raju, Ningam Reddy, Rapolu Kumar
  • Crystalline form III of anhydrous moxifloxacin hydrochloride and a process for preparation thereof
    Publication number: 20050137227
    Abstract: A new crystalline Form III of moxifloxacin monohydrochloride and processes for making the crystalline form as well as compositions, pharmaceutical compositions, and methods utilizing the crystalline form are described.
    Type: Application
    Filed: April 9, 2004
    Publication date: June 23, 2005
    Inventors: Manne Reddy, Sajja Eswaraiah, Vetukuri Venkata Naga Raju, Rapolu Kumar, Ningam Srinivasreddy, Vedantham Ravindra