Patents by Inventor Vishnumurthy Ramachandra Hegde

Vishnumurthy Ramachandra Hegde 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).

  • Antibacterial agents
    Patent number: 7524860
    Abstract: The present invention is directed to a new class of triazolopyridine derivatives, to their use as antimicrobials, and to pharmaceuticals containing these compounds.
    Type: Grant
    Filed: September 23, 2005
    Date of Patent: April 28, 2009
    Assignee: Pfizer Inc.
    Inventors: David Charles Donnell Butler, Huifen Chen, Vishnumurthy Ramachandra Hegde, Chris Limberakis, Ravindra Madhukar Rasne, Richard John Sciotti, Jeremy Tyson Starr
  • Process for the C-C bond forming reaction using solid acid catalysts
    Patent number: 5932752
    Abstract: A process for the preparation of organic compounds through C--C bond forming reaction which comprises reacting a diene with a dienophile in the presence of solid acid based on either yttrium, scandium or lanthanum supported on metal oxide supports such as oxides of zirconium or tin or titanium or iron oxide modified by sulphation as catalysts for a period ranging from 5 to 48 hours and recovering the reaction products from the reaction mixture by filtration and removal of the solvent by evaporation followed by column chromatography.
    Type: Grant
    Filed: May 29, 1996
    Date of Patent: August 3, 1999
    Assignee: Council of Scientific and Industrial Research
    Inventors: Alive Keshavaraja, Vishnumurthy Ramachandra Hegde, Pradeep Kumar, Sooryakant Ganesh Hegde, Arumugamangalam Venkataraman Ramaswamy, Thottappillil Ravindranathan