Patents by Inventor Radhakrishnan Gowri Shankar

Radhakrishnan Gowri Shankar 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).

  • Tamsulosin derivative
    Patent number: 7084301
    Abstract: The optically active compound, R (?)-5-[2-[[2-(2-ethoxyphenoxy)ethyl]amino]propyl]-2-hydroxybenzenesulfonamide in good optical purity, a metabolite of the ?1-adrenergic blocking agent tamsulosin, and methods for the preparation thereof. Pharmaceutical compositions including the optically active compound and methods of treatment comprising administration of an effective ?1-adrenergic antagonistic amount of such compositions to mammals.
    Type: Grant
    Filed: December 17, 2004
    Date of Patent: August 1, 2006
    Assignee: Ranbaxy Laboratories Limited
    Inventors: Yatendra Kumar, Ram Chander Aryan, Radhakrishnan Gowri Shankar, Kumar Hari Bhushan, Anita Chugh
  • Tamsulosin derivative
    Patent number: 6894188
    Abstract: The optically active compound, R(?)-5-[2-[[2-(2-ethoxyphenoxy)ethyl]amino]propyl]-2-hydroxybenzenesulfonamide in good optical purity, a metabolite of the ?1-adrenergic blocking agent tamsulosin, and methods for the preparation thereof. Pharmaceutical compositions including the optically active compound and methods of treatment comprising administration of an effective ?-adrenergic antagonistic amount of such compositions to mammals.
    Type: Grant
    Filed: January 14, 2003
    Date of Patent: May 17, 2005
    Assignee: Ranbaxy Laboratory Limited
    Inventors: Yatendra Kumar, Ram Chander Aryan, Radhakrishnan Gowri Shankar, Kumar Hari Bhushan, Anita Chugh