Patents by Inventor Narayana Rao Mantripragada

Narayana Rao Mantripragada 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).

  • Polymorphs of atovaquone and process of preparation thereof
    Patent number: 7847112
    Abstract: Novel crystalline forms of anti Pneumocystis carinii compound (2-[4-(4-Chlorophenyl)cyclohexyl]-3-hydroxy-1,4-naphthoquinone) commonly known as Atovaquone and methods for producing the same is disclosed herein. This also provides pharmaceutical compositions comprising the said polymorphs of Atovaquone and method of treating Pneumocystis carinii pneumonia, the method comprising administering to a warm blooded animal an effective amount of a product-by-process composition of matter comprising polymorphic forms of Atovaquone.
    Type: Grant
    Filed: July 16, 2004
    Date of Patent: December 7, 2010
    Assignee: Health Science Funding, LLC
    Inventors: Narayana Rao Mantripragada, Dhananjay Govind Sathe, Venkatasubramanian Radhakrishnan Tarur, Kamlesh Digambar Sawant, Gautam Ramjibhai Patel
  • Novel Polymorph Form G of Fluvastatin Sodium and Process For the Preparation Thereof
    Publication number: 20080171884
    Abstract: A Polymorph Form G of Fluvastatin sodium having X-ray diffraction peak at 2? value of 3.48 is provided. A process for the preparation of the novel polymorph Form G comprising spray drying a 3 to 10% w/v solution of Fluvastatin sodium in a solvent using a spray gun at inlet temperature of 120 to 200° C. and outlet temperature of 60 to 110° C. of the spray gun is also provided.
    Type: Application
    Filed: June 3, 2005
    Publication date: July 17, 2008
    Inventors: Venkatasubramanian Radhakrishnan Tarur, Dhananjay Govind Sathe, Narayana Rao Mantripragada, Rajesh Bhopalkar, Kamlesh Digambar Sawant, Dattatraya Nivrutti Chavan