Patents by Inventor Paramashivappa Rangappa

Paramashivappa Rangappa 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).

  • NOVEL PROCESS FOR PREPARING CARBOXY-CONTAINING PYRAZOLEAMIDO COMPOUNDS 597
    Publication number: 20120041211
    Abstract: A process for preparing pharmaceutically acceptable compounds of formula (I) wherein R1, R2, R3, X, A and Y are as defined in the specification is described and claimed, together with processes for preparing some key intermediates and products obtained thereby.
    Type: Application
    Filed: January 29, 2010
    Publication date: February 16, 2012
    Inventors: Sythana Suresh Kumar, Vinod Ch Kumar, Paramashivappa Rangappa
  • Substituted dihydropyrimidines, dihydropyrimidones and dihydropyrimidinethiones as calcium channel blockers
    Patent number: 7687511
    Abstract: The present invention is directed in part towards methods of modulating the function of calcium channels with pyrimidine-based compounds. In addition, the invention describes methods of preventing and treating calcium channel-related abnormal conditions in organisms with a compound identified by the invention. Furthermore, the invention pertains to pyrimidine-based compounds and pharmaceutical compositions comprising these compounds.
    Type: Grant
    Filed: November 12, 2007
    Date of Patent: March 30, 2010
    Inventors: Phani Kumar Pullela, Paramashivappa Rangappa, Srinivasa Rao Alapati, Pillarisetti V. Subbarao
  • SUBSTITUTED DIHYDROPYRIMIDINES, DIHYDROPYRIMIDONES AND DIHYDROPYRIMIDINETHIONES AS CALCIUM CHANNEL BLOCKERS
    Publication number: 20080125449
    Abstract: The present invention is directed in part towards methods of modulating the function of calcium channels with pyrimidine-based compounds. In addition, the invention describes methods of preventing and treating calcium channel-related abnormal conditions in organisms with a compound identified by the invention. Furthermore, the invention pertains to pyrimidine-based compounds and pharmaceutical compositions comprising these compounds.
    Type: Application
    Filed: November 12, 2007
    Publication date: May 29, 2008
    Inventors: Phani Kumar Pullela, Paramashivappa Rangappa, Srinivasa Rao Alapati, Pillarisetti V. Subbarao
  • 1,4-dihydropyridine and pyridine compounds as calcium channel blockers
    Patent number: 7235570
    Abstract: The present invention is directed in part towards methods of modulating the function of calcium channels with pyridine- or 1,4-dihydropyridine-based compounds. In addition, the invention describes methods of preventing and treating protein kinase-related abnormal conditions in organisms with a compound identified by the invention. Furthermore, the invention pertains to pyridine- or 1,4-dihydropyridine-based compounds and pharmaceutical compositions comprising these compounds.
    Type: Grant
    Filed: January 10, 2005
    Date of Patent: June 26, 2007
    Assignee: Vittal Mallya Scientific Research
    Inventors: Phani Kumar Pullela, Paramashivappa Rangappa, Srinivasa Rao Alapati, Pillarisetti V. Subbarao, Jeffrey A. Bibbs
  • 1,4-dihydropyridine and pyridine compounds as calcium channel blockers
    Publication number: 20050159455
    Abstract: The present invention is directed in part towards methods of modulating the function of calcium channels with pyridine- or 1,4-dihydropyridine-based compounds. In addition, the invention describes methods of preventing and treating protein kinase-related abnormal conditions in organisms with a compound identified by the invention. Furthermore, the invention pertains to pyridine- or 1,4-dihydropyridine-based compounds and pharmaceutical compositions comprising these compounds.
    Type: Application
    Filed: January 10, 2005
    Publication date: July 21, 2005
    Inventors: Phani Pullela, Paramashivappa Rangappa, Srinivasa Alapati, Pillarisetti Subbarao, Jeffrey Bibbs
  • 1,4-dihydropyridine and pyridine compounds as calcium channel blockers
    Patent number: 6852742
    Abstract: The present invention is directed in part towards methods of modulating the function of calcium channels with pyridine- or 1,4-dihydropyridine-based compounds. In addition, the invention describes methods of preventing and treating protein kinase-related abnormal conditions in organisms with a compound identified by the invention. Furthermore, the invention pertains to pyridine- or 1,4-dihydropyridine-based compounds and pharmaceutical compositions comprising these compounds.
    Type: Grant
    Filed: January 14, 2003
    Date of Patent: February 8, 2005
    Assignee: Vittal Mallya Scientific Research Foundation
    Inventors: Phani Kumar Pullela, Paramashivappa Rangappa, Srinivasa Rao Alapati, Pillarisetti V. Subbarao, Jeffrey A. Bibbs
  • Substituted dihydropyrimidines, dihydropyrimidones and dihydropyrimidinethiones as calcuim channel blockers
    Publication number: 20040058942
    Abstract: The present invention is directed in part towards methods of modulating the function of calcium channels with pyrimidine-based compounds. In addition, the invention describes methods of preventing and treating calcium channel-related abnormal conditions in organisms with a compound identified by the invention. Furthermore, the invention pertains to pyrimidine-based compounds and pharmaceutical compositions comprising these compounds.
    Type: Application
    Filed: June 10, 2003
    Publication date: March 25, 2004
    Inventors: Phani Kumar Pullela, Paramashivappa Rangappa, Srinivasa Rao Alapati, Pillarisetti V. Subbarao
  • 1,4-dihydropyridine and pyridine compounds as calcium channel blockers
    Publication number: 20040006110
    Abstract: The present invention is directed in part towards methods of modulating the function of calcium channels with pyridine- or 1,4-dihydropyridine-based compounds. In addition, the invention describes methods of preventing and treating protein kinase-related abnormal conditions in organisms with a compound identified by the invention. Furthermore, the invention pertains to pyridine- or 1,4-dihydropyridine-based compounds and pharmaceutical compositions comprising these compounds.
    Type: Application
    Filed: January 14, 2003
    Publication date: January 8, 2004
    Inventors: Phani Kumar Pullela, Paramashivappa Rangappa, Srinivasa Rao Alapati, Pillarisetti V. Subbarao, Jeffrey A. Bibbs