Patents by Inventor Srinivasula Reddy Maddula

Srinivasula Reddy Maddula 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).

  • PROCESSES FOR PREPARING ZAFIRLUKAST
    Publication number: 20090149662
    Abstract: An improved process for the preparation of substantially pure zafirlukast and pharmaceutical compositions thereof.
    Type: Application
    Filed: December 4, 2008
    Publication date: June 11, 2009
    Inventors: Raghupathi Reddy Anumula, Goverdhan Gilla, Sampath Alla, Sreenivasulu Kurella, Janardana Sarma Ramachandra Kopparapu, Rama Krishna Venkata Medisetti, Srinivasula Reddy Maddula
  • PREPARATION OF ROSIGLITAZONE AND ITS SALTS
    Publication number: 20070293546
    Abstract: The present invention relates to rosiglitazone and its pharmaceutically acceptable salts free of at least one of the process related impurities, in particular the dehydro and the succinic acid impurities of rosiglitazone, wherein said impurities are present in an amount of about 05 mg to not more than about 15 mg, and processes for their preparation.
    Type: Application
    Filed: June 15, 2007
    Publication date: December 20, 2007
    Inventors: Srinivasula Reddy Maddula, Kushal Surajmal Manudhane, Sridhar Thota, Arvind Mallinath Lali, Sandeep Bhaskar Kale, Venkata Naga Brahmeswara Rao Mandava, Radhakrishna Singam Setty, Sandeep Mohonty, Jaga Gangaraju Pericherla, Manoj Ramesh Kharkar