Patents by Inventor Viyyoor M. Girijavallabhan

Viyyoor M. Girijavallabhan 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).

  • Substituted pyrazolo[1,5-a]pyrimidines as cyclin dependent kinase inhibitors
    Patent number: 8673924
    Abstract: In its many embodiments, the present invention provides a method of inhibiting one or more cyclin dependent kinases in a patient comprising administering to said patient a therapeutically effective amount of at least one pyrazolo[1,5-a]pyrimidine compound or a pharmaceutical composition comprising such compound, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the CDKs using such compounds or pharmaceutical compositions.
    Type: Grant
    Filed: April 20, 2007
    Date of Patent: March 18, 2014
    Assignees: Merck Sharp & Dohme Corp., Pharmacopeia, LLC
    Inventors: Timothy J. Guzi, Kamil Paruch, Michael P. Dwyer, Ronald J. Doll, Viyyoor M. Girijavallabhan, Alan Mallams, Carmen S. Alvarez, Kartik M. Keertikar, Jocelyn Rivera, Tin-Yau Chan, Vincent S. Madison, Thierry O. Fischmann, Lawrence W. Dillard, Vinh D. Tran, Zhenmin He, Ray Anthony James, Haengsoon Park, Vidyadhar M. Paradkar, Douglas Walsh Hobbs, Paul Kirschmeier, Rajat Bannerji
  • Sulfur compounds as inhibitors of hepatitis C virus NS3 serine protease
    Patent number: 8067379
    Abstract: The present invention discloses novel compounds which have HCV protease inhibitory activity as well as methods for preparing such compounds. In another embodiment, the invention discloses pharmaceutical compositions comprising such compounds as well as methods of using them to treat disorders associated with the HCV protease.
    Type: Grant
    Filed: February 24, 2005
    Date of Patent: November 29, 2011
    Assignee: Schering Corporation
    Inventors: Frank Bennett, Raymond G. Lovey, Yuhua Huang, Siska Hendrata, Anil K. Saksena, Stephane L. Bogen, Yi-Tsung Liu, F. George Njoroge, Srikanth Venkatraman, Kevin X. Chen, Mousumi Sannigrahi, Ashok Arasappan, Viyyoor M. Girijavallabhan, Francisco Velazquez, Latha G. Nair
  • Macrocyclic Inhibitors of Hepatitis C Virus NS3 Serine Protease
    Publication number: 20110150835
    Abstract: The present invention discloses novel compounds which have HCV protease inhibitory activity as well as methods for preparing such compounds. In another embodiment, the invention discloses pharmaceutical compositions comprising such compounds as well as methods of using them to treat disorders associated with the HCV protease.
    Type: Application
    Filed: October 31, 2007
    Publication date: June 23, 2011
    Inventors: Srikanth Venkatraman, F. George Njoroge, Wanli Wu, Viyyoor M. Girijavallabhan, Brian A. McKittrick, Jing Su, Francisco Velazquez, Patrick A. Pinto
  • N-heteroaryl pyrazolopyrimidines as cyclin dependent kinase inhibitors
    Patent number: 7807683
    Abstract: In its many embodiments, the present invention provides a novel class of pyrazolo[1,5-a]pyrimidine compounds as inhibitors of cyclin dependent kinases, methods of preparing such compounds, pharmaceutical compositions containing one or more such compounds, methods of preparing pharmaceutical formulations comprising one or more such compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the CDKs using such compounds or pharmaceutical compositions.
    Type: Grant
    Filed: March 31, 2006
    Date of Patent: October 5, 2010
    Assignee: Schering Corporation
    Inventors: Timothy J. Guzi, Kamil Paruch, Michael P. Dwyer, Ronald J. Doll, Viyyoor M. Girijavallabhan, Alan Mallams, Carmen S. Alvarez, Kartik M. Keertikar, Jocelyn Rivera, Tin Yau Chan, Vincent Madison, Thierry O. Fischmann, Lawrence W. Dillard, Vinh D. Tran, Zhen Min He, Ray Anthony James, Haengsoon Park, Vidyadhar M. Paradkar, Douglas Walsh Hobbs
  • Ketoamides with cyclic P4's as inhibitors of NS3 serine protease of hepatitis C virus
    Patent number: 7619094
    Abstract: The present invention discloses novel compounds which have HCV protease inhibitory activity as well as methods for preparing such compounds. In another embodiment, the invention discloses pharmaceutical compositions comprising such compounds as well as methods of using them to treat disorders associated with the HCV protease.
    Type: Grant
    Filed: November 20, 2006
    Date of Patent: November 17, 2009
    Assignee: Schering Corporation
    Inventors: Kevin X Chen, F George Njoroge, Mousumi Sannigrahi, Latha G Nair, Weiying Yang, Bancha Vibulbhan, Srikanth Venkatraman, Ashok Arasappan, Stephane L. Bogen, Frank Bennett, Viyyoor M. Girijavallabhan
  • Peptides as NS3-serine protease inhibitors of hepatitis C virus
    Patent number: 7595299
    Abstract: The present invention discloses novel peptide compounds which have HCV protease inhibitory activity as well as methods for preparing such compounds. In another embodiment, the invention discloses pharmaceutical compositions comprising such compounds as well as methods of using them to treat disorders associated with the HCV protease.
    Type: Grant
    Filed: March 24, 2005
    Date of Patent: September 29, 2009
    Assignees: Schering Corporation, Dendreon Corporation
    Inventors: Anil Saksena, Viyyoor M. Girijavallabhan, Stephane L. Bogen, Raymond G. Lovey, Edwin Jao, Frank Bennett, Jinping L. McCormick, Haiyan Wang, Russell E. Pike, Yi-Tsung Liu, Tin-Yau Chan, Zhaoning Zhu, Ashok Arasappan, Kevin X. Chen, Srikanth Venkatraman, Tejal Parekh, Patrick A. Pinto, Bama Santhanam, F. George Njoroge, Ashit K. Ganguly, Henry A. Vaccaro, Scott Jeffrey Kemp, Odile Esther Levy, Marguerita Lim-Wilby, Susan Y. Tamura
  • Macrocyclic inhibitors of hepatitis C virus NS3-serine protease
    Patent number: 7592419
    Abstract: The present invention discloses novel compounds which have HCV protease inhibitory activity as well as pharmaceutical compositions comprising such compounds and methods of using them to treat disorders associated with the HCV protease. The novel compounds typically include a 15-20 member macrocycle and have the general structure of structural Formula 1: wherein Z?, L?, M?, R1, X and D are defined herein.
    Type: Grant
    Filed: September 23, 2004
    Date of Patent: September 22, 2009
    Assignee: Schering Corporation
    Inventors: Srikanth Venkatraman, F. George Njoroge, Wanli Wu, Viyyoor M. Girijavallabhan, Brian McKittrick, Jing Su, Francisco Velazquez, Patrick A. Pinto
  • Farnesyl protein transferase inhibitors as antitumor agents
    Patent number: 7557107
    Abstract: Disclosed are novel tricyclic compounds of the formula: and a pharmaceutically acceptable salts or solvates thereof. The compounds are useful for inhibiting farnesyl protein transferase. Also disclosed are pharmaceutical compositions comprising the compounds of formula (I). Also disclosed are uses of the compounds of formula (I) for the manufacture of a medicament for the treatment of cancer.
    Type: Grant
    Filed: August 4, 2004
    Date of Patent: July 7, 2009
    Assignee: Schering Coporation
    Inventors: Hugh Y. Zhu, Alan B. Cooper, Jagdish A. Desai, James J-S Wang, Ronald J. Doll, F. George Njoroge, Viyyoor M. Girijavallabhan
  • Acylsulfonamide compounds as inhibitors of hepatitis C virus NS3 serine protease
    Patent number: 7550559
    Abstract: The present invention discloses novel compounds which have HCV protease inhibitory activity as well as methods for preparing such compounds. In another embodiment, the invention discloses pharmaceutical compositions comprising such compounds as well as methods of using them to treat disorders associated with the HCV protease.
    Type: Grant
    Filed: August 25, 2005
    Date of Patent: June 23, 2009
    Assignee: Schering Corporation
    Inventors: Mousumi Sannigrahi, F. George Njoroge, Viyyoor M. Girijavallabhan
  • Trisubstituted 4-aminopyrazolopyrimidines as cyclin dependent kinase inhibitors
    Patent number: 7514442
    Abstract: In its many embodiments, the present invention provides a novel class of pyrazolo[1,5-a]pyrimidine compounds as inhibitors of cyclin dependent kinases, methods of preparing such compounds, pharmaceutical compositions containing one or more such compounds, methods of preparing pharmaceutical formulations comprising one or more such compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the CDKs using such compounds or pharmaceutical compositions.
    Type: Grant
    Filed: March 31, 2006
    Date of Patent: April 7, 2009
    Assignees: Schering Corporation, Pharmacopeia, Inc.
    Inventors: Timothy J. Guzi, Kamil Paruch, Michael P. Dwyer, Ronald J. Doll, Viyyoor M. Girijavallabhan, Carmen S. Alvarez, Tin Yau Chan, Chad Knutson, Vincent Madison, Thierry O. Fischmann, Lawrence W. Dillard, Vinh D. Tran, Zhen Min He, Ray Anthony James, Haengsoon Park
  • Pyrazolopyrimidines as cyclin dependent kinase inhibitors
    Patent number: 7511049
    Abstract: In its many embodiments, the present invention provides a novel class of pyrazolo[1,5-a]pyrimidine compounds as inhibitors of cyclin dependent kinases, methods of preparing such compounds, pharmaceutical compositions containing one or more such compounds, methods of preparing pharmaceutical formulations comprising one or more such compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the CDKs using such compounds or pharmaceutical compositions.
    Type: Grant
    Filed: July 17, 2007
    Date of Patent: March 31, 2009
    Assignees: Schering Corporation, Pharmacopeia, Inc.
    Inventors: Timothy J. Guzi, Kamil Paruch, Michael P. Dwyer, Ronald J. Doll, Viyyoor M. Girijavallabhan, Lawrence W. Dillard, Vinh D. Tran, Zhenmin He, Ray Anthony James, Haengsoon Park
  • 17?-hydroxysteroid dehydrogenase type 3 inhibitors for the treatment of androgen dependent diseases
    Patent number: 7485645
    Abstract: In its many embodiments, the present invention provides a novel class of compounds as inhibitors of type 3 17?-hydroxysteroid dehydrogenase, methods of preparing such compounds, pharmaceutical compositions containing one or more such compounds, methods of preparing pharmaceutical formulations comprising one or more such compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with type 3 17?-hydroxysteroid dehydrogenase using such compounds or pharmaceutical compositions.
    Type: Grant
    Filed: August 9, 2007
    Date of Patent: February 3, 2009
    Assignee: Schering Corporation
    Inventors: Timothy J. Guzi, Yi-Tsung Liu, Ronald J. Doll, Anil Saksena, Viyyoor M. Girijavallabhan, Jonathan A. Pachter
  • N-heteroaryl pyrazolopyrimidines as cyclin dependent kinase inhibitors
    Patent number: 7470695
    Abstract: In its many embodiments, the present invention provides a novel class of pyrazolo[1,5-a]pyrimidine compounds as inhibitors of cyclin dependent kinases, methods of preparing such compounds, pharmaceutical compositions containing one or more such compounds, methods of preparing pharmaceutical formulations comprising one or more such compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the CDKs using such compounds or pharmaceutical compositions.
    Type: Grant
    Filed: March 31, 2006
    Date of Patent: December 30, 2008
    Assignee: Schering Corporation
    Inventors: Timothy J. Guzi, Kamil Paruch, Michael P. Dwyer, Ronald J. Doll, Viyyoor M. Girijavallabhan, Lawrence W. Dillard, Vinh D. Tran, Zhen Min He, Ray Anthony James, Haengsoon Park
  • Trisubstituted 4-aminopyrazolopyrimidines as cyclin dependent kinase inhibitors
    Patent number: 7468372
    Abstract: In its many embodiments, the present invention provides a novel class of pyrazolo[1,5-a]pyrimidine compounds as inhibitors of cyclin dependent kinases, methods of preparing such compounds, pharmaceutical compositions containing one or more such compounds, methods of preparing pharmaceutical formulations comprising one or more such compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the CDKs using such compounds or pharmaceutical compositions.
    Type: Grant
    Filed: March 31, 2006
    Date of Patent: December 23, 2008
    Assignee: Schering Corporation
    Inventors: Timothy J. Guzi, Kamil Paruch, Michael P. Dwyer, Ronald J. Doll, Viyyoor M. Girijavallabhan, Chad Knutson, Brian McKittrick, Lawrence W. Dillard, Vinh D. Tran, Zhen Min He, Ray Anthony James, Haengsoon Park
  • Imidazopyridines as cyclin dependent kinase inhibitors
    Patent number: 7452902
    Abstract: In its many embodiments, the present invention provides a novel class of imidazo[1,2-a]pyridine compounds as inhibitors of cyclin dependent kinases, methods of preparing such compounds, pharmaceutical compositions containing one or more such compounds, methods of preparing pharmaceutical formulations comprising one or more such compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the CDKs using such compounds or pharmaceutical compositions.
    Type: Grant
    Filed: September 29, 2005
    Date of Patent: November 18, 2008
    Assignee: Schering Corporation
    Inventors: Michael P. Dwyer, Timothy J. Guzi, Kamil Paruch, Ronald J. Doll, Kartik M. Keertikar, Viyyoor M. Girijavallabhan
  • Peptidomimetic NS3-serine protease inhibitors of hepatitis C virus
    Patent number: 7449447
    Abstract: The present application discloses a compound, or enantiomers, stereoisomers, rotamers, tautomers, racemates or prodrug of said compound, or pharmaceutically acceptable salts or solvates of said compound, or of said prodrug, said compound having the general structure shown in Formula 1: useful in the treatment or prevention or amelioration of one or more symptoms of hepatitis C.
    Type: Grant
    Filed: August 24, 2004
    Date of Patent: November 11, 2008
    Assignee: Schering Corporation
    Inventors: Kevin X. Chen, F. George Njoroge, Weiying Yang, Bancha Vibulbhan, Viyyoor M. Girijavallabhan, Srikanth Venkatraman, Francisco Velazquez
  • Depeptidized inhibitors of hepatitis C virus NS3 protease
    Patent number: 7442695
    Abstract: The present invention discloses novel depeptidized compounds which have HCV protease inhibitory activity as well as pharmaceutical compositions comprising such compounds and methods of using them to treat disorders associated with the HCV protease.
    Type: Grant
    Filed: June 27, 2007
    Date of Patent: October 28, 2008
    Assignee: Schering Corporation
    Inventors: F. George Njoroge, Srikanth Venkatraman, Viyyoor M. Girijavallabhan
  • 17?-hydroxysteroid dehydrogenase type 3 inhibitors for the treatment of androgen dependent diseases
    Patent number: 7432268
    Abstract: There are disclosed compounds of the formula (I): prodrugs thereof, or pharmaceutically acceptable salts of the compounds or of said prodrugs which are useful as inhibitors of Type 3 17?-Hydroxysteroid Dehydrogenase. Also disclosed are pharmaceutical compositions containing said compounds and their use for the treatment or prevention of androgen dependent diseases.
    Type: Grant
    Filed: November 14, 2005
    Date of Patent: October 7, 2008
    Assignee: Schering Corporation
    Inventors: Timothy Guzi, Kamil Paruch, Alan Mallams, Jocelyn D. Rivera, Ronald J. Doll, Viyyoor M. Girijavallabhan, Jonathan A. Pachter, Yi-Tsung Liu, Anil K. Saksena
  • Imidazopyrazines as cyclin dependent kinase inhibitors
    Patent number: 7432265
    Abstract: In its many embodiments, the present invention provides a novel class of imidazo[1,2-a]pyrazine compounds as inhibitors of cyclin dependent kinases, methods of preparing such compounds, pharmaceutical compositions containing one or more such compounds, methods of preparing pharmaceutical formulations comprising one or more such compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the CDKs using such compounds or pharmaceutical compositions.
    Type: Grant
    Filed: January 31, 2005
    Date of Patent: October 7, 2008
    Assignee: Schering Corporation
    Inventors: Kamil Paruch, Timothy J. Guzi, Michael P. Dwyer, Ronald J. Doll, Viyyoor M. Girijavallabhan, Alan Mallams
  • Substituted 5-carboxyamide pyrazoles and [1,2,4]triazoles as antiviral agents
    Patent number: 7425640
    Abstract: The present invention provides compounds of formula I wherein X, Y, R1-R7 are as defined herein. Compositions containing these compounds, and methods for inhibiting HCV RNA-dependent RNA polymerase and treating hepatitis C and related disorders using these compounds and compositions are also provided.
    Type: Grant
    Filed: October 26, 2005
    Date of Patent: September 16, 2008
    Assignee: Schering Corporation
    Inventors: Alan B. Cooper, Hugh Y. Zhu, James J-S Wang, Jagdish A. Desai, Gerald W. Shipps, Jr., Patrick J. Curran, D. Allen Annis, Huw M. Nash, Viyyoor M. Girijavallabhan