Patents by Inventor Adhi Venkata Ramana

Adhi Venkata Ramana 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).

  • Pyrrolo[2,1-][1,4]benzodiazepine compounds and processes for the preparation thereof
    Patent number: 7312210
    Abstract: The present invention provides novel pyrrolo [2,1-c][1,4]benzodiazepine compounds. This invention also provides a process for the preparation of novel pyrrolo[2,1-c][1,4]benzodiazepine compounds. These novel pyrrolo [2,1-c][1,4]benzodiazepine compounds are useful as antitumor agents. It also provides a process for the preparation of 7-methoxy-8-{n-[4-(2-oxo-2H-4-chromenyl)piperazino]alkyl}-oxy-(11aS)-1,2,3,11a-5H-pyrrolo[2,1-c][1,4]benzodiazepin-5-one and 7-methoxy-8-{n-[4-(7-alkoxy-8-methyl-2-oxo-2H-4-chromenyl)piperazino]alkyl}-oxy-(11aS)-1,2,3,11a-5H-pyrrolo[2,1-c][1,4]. benzodiazepine-5-one with aliphatic chain length variations for these compounds.
    Type: Grant
    Filed: March 3, 2006
    Date of Patent: December 25, 2007
    Assignee: Council of Scientific and Industrial Research
    Inventors: Ahmed Kamal, Ankati Hari Babu, Adhi Venkata Ramana, Earla Vijaya Bharathi