Patents by Inventor Venkata Vajrala

Venkata Vajrala 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).

  • POLYMORPHIC FORMS OF VARDENAFIL
    Publication number: 20070197535
    Abstract: Crystalline polymorphic forms of vardenafil and vardenafil hydrochloride, and processes for preparing them.
    Type: Application
    Filed: September 27, 2006
    Publication date: August 23, 2007
    Inventors: Eswaraiah Sajja, Ravindar Koppera, Satyanarayana Revu, Venkata Vajrala, Vijayapal Kanumathi