Patents by Inventor Amarnath Lekkala

Amarnath Lekkala 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).

  • PROCESS FOR PREPARING FOSPHENYTOIN
    Publication number: 20070249563
    Abstract: Processes for preparing fosphenytoin.
    Type: Application
    Filed: April 20, 2007
    Publication date: October 25, 2007
    Inventors: Apurba Bhattacharya, Vijayabhaskar Bolugoddu, Pravinchandra Vankawala, Chandrasekhar Elati, Srinivas Gangula, Amarnath Lekkala, Ramakrishna Mallemula, Anitha Naredla, Ashok Sigala
  • Zolmitriptan polymorphs
    Publication number: 20060148868
    Abstract: Crystalline polymorphic forms of zolmitriptan, solid amorphous zolmitriptan, and processes for preparing them.
    Type: Application
    Filed: November 22, 2005
    Publication date: July 6, 2006
    Inventors: Venkataraman Sundaram, Purandhar Koilkonda, Amarnath Lekkala, Vijaykumar Kotagiri, Sashikanth Suthrapu, Kondaiah Golla
  • Amorphous telmisartan
    Publication number: 20060111417
    Abstract: Amorphous telmisartan and combinations of amorphous telmisartan with one or more pharmaceutical carriers.
    Type: Application
    Filed: November 23, 2005
    Publication date: May 25, 2006
    Inventors: Purandhar Koilkonda, Amarnath Lekkala, China Mala Golla, Santhi Ganji, Ramesh Konda