Patents by Inventor Ashok Arasappan

Ashok Arasappan 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).

  • Publication number: 20140206640
    Abstract: The present invention relates to 2?-Azido Substituted Nucleoside Derivatives of Formula (I): and pharmaceutically acceptable salts thereof, wherein B, X, R1, R2 and R3 are as defined herein. The present invention also relates to compositions comprising at least one 2?-Azido Substituted Nucleoside Derivative, and methods of using the 2?-Azido Substituted Nucleoside Derivatives for treating or preventing HCV infection in a patient.
    Type: Application
    Filed: April 11, 2012
    Publication date: July 24, 2014
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Vinay Girijavallabhan, F. George Njoroge, Stephane Bogen, Frank Bennett, Vishal Verma, Ashok Arasappan, Kevin X. Chen, Ying Huang, Angela Kerekes, Latha Nair, Dimitri Pissarnitski, Qun Dang, Ian Davies, David B. Olsen, Andrew Stamford, Joseph P. Vacca
  • Publication number: 20140154211
    Abstract: The present invention relates to 2?-Substituted Nucleoside Derivatives of Formula (I): and pharmaceutically acceptable salts thereof, wherein A, B, X, R1, R2 and R3 are as defined herein. The present invention also relates to compositions comprising at least one 2?-Substituted Nucleoside Derivative, and methods of using the 2?-Substituted Nucleoside Derivatives for treating or preventing HCV infection in a patient.
    Type: Application
    Filed: April 11, 2012
    Publication date: June 5, 2014
    Inventors: Vinay Girijavallabhan, F. George Njoroge, Stephane Bogen, Vishal Verma, Frank Bennett, Angela Kereles, Ashok Arasappan, Dmitri Pissarnitski, Qun Dang, Ian Davies, David B. Olsen, Andrew Stamford, Joseph P. Vacca
  • Patent number: 8697694
    Abstract: The present invention provides compounds of Formula (I): and tautomers, isomers, and esters of said compounds, and pharmaceutically acceptable salts, solvates, and prodrugs of said compounds, wherein each of R, R1, X, Y, Z, R2, R3, R4, R5, R6, R7, R8, R9, R18, R19 and n is selected independently and as defined herein. Compositions comprising such compounds are also provided. The compounds of the invention are effective as inhibitors of HCV, and are useful, alone and together with other therapeutic agents, in treating or preventing diseases or disorders such as viral infections and virus-related disorders.
    Type: Grant
    Filed: August 19, 2009
    Date of Patent: April 15, 2014
    Assignees: Merck Sharp & Dohme Corp., Southern Research Institute
    Inventors: Ashok Arasappan, F. George Njoroge, Cecil D. Kwong, Subramaniam Ananthan, Frank Bennett, Jeremy Clark, Hollis S. Kezar, III, Vinay M. Girijavallabhan, Yuhua Huang, Regina Huelgas, Joseph A. Maddry, John J. Piwinski, Robert C. Reynolds, Abhijit Roychowdhury, Anita T. Fowler, Feng Geng, John A. Secrist, III, Neng-Yang Shih, Vishal Verma, Francisco Velazquez, Srikanth Venkatraman
  • Patent number: 8680294
    Abstract: Processes useful for the preparation of a Compound of Formula I: Formula (I). Intermediates useful for the preparation of the compound of Formula I, and processes useful for preparing said intermediates are disclosed.
    Type: Grant
    Filed: July 27, 2010
    Date of Patent: March 25, 2014
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: John Traverse, William M. Leong, Steven P. Miller, Jennifer Albaneze-Walker, Thomas J. Hunter, Lijun Wang, Hongbiao Liao, Ashok Arasappan, Scott T. Trzaska, Randi M. Smith, Azzeddine Lekhal, Stephane L. Bogen, Jianshe Kong, Frank Bennett, F. George Njoroge, Marc Poirier, Shen-Chun Kuo, Yonggang Chen, Kenneth S. Matthews, Patrice Demonchaux, Amadeo Ferreira
  • Patent number: 8541434
    Abstract: The present invention provides compounds of Formula (I): and tautomers, isomers, and esters of said compounds, and pharmaceutically acceptable salts, solvates, and pro-drugs of said compounds, wherein each of R, R1, X, Y, Z, R2, R3, R4, R5, R6, R7, R8, R9, R18, R19 and n is selected independently and as defined herein. Compositions comprising such compounds are also provided. The compounds of the invention are effective as inhibitors of HCV, and are useful, alone and together with other therapeutic agents, in treating or preventing diseases or disorders such as viral infections and virus-related disorders.
    Type: Grant
    Filed: August 19, 2009
    Date of Patent: September 24, 2013
    Assignees: Merck Sharp & Dohme Corp., Southern Research Institute
    Inventors: Cecil D. Kwong, F. George Njoroge, Subramaniam Ananthan, Ashok Arasappan, Frank Bennett, Jeremy Clark, Anita T. Fowler, Feng Geng, Hollis S. Kezar, III, Joseph A. Maddry, John J. Piwinski, Robert C. Reynolds, Abhijit Roychowdhury, John A. Secrist, III, Neng-Yang Shih
  • Publication number: 20120178942
    Abstract: Processes useful for the preparation of a Compound of Formula I: Formula (I). Intermediates useful for the preparation of the compound of Formula I, and processes useful for preparing said intermediates are disclosed.
    Type: Application
    Filed: July 27, 2010
    Publication date: July 12, 2012
    Inventors: John Traverse, William M. Leong, Steven P. Miller, Jennifer Albaneze-Walker, Thomas J. Hunter, Lijun Wang, Hongbiao Liao, Ashok Arasappan, Scott T. Trzaska, Randi M. Smith, Azzeddine Lekhal, Stephane L. Bogen, Jianshe Kong, Frank Bennett, F. George Njoroge, Marc Poirier, Shen-Chun Kuo, Yonggang Chen, Kenneth S. Matthews, Patrice Demonchaux, Amadeo Ferreira
  • Publication number: 20120107271
    Abstract: The present invention provides compounds of Formula (I): (Chemical formula should be inserted here as it appears on abstract in paper form) (I) and tautomers, isomers, and esters of said compounds, and pharmaceutically acceptable salts, solvates, and pro-drugs of said compounds, wherein each of R, R1, X, Y, Z, R2, R3, R4, R5, R6, R7, R8, R9, R18, R19 and n is selected independently and as defined herein. Compositions comprising such compounds are also provided. The compounds of the invention are effective as inhibitors of HCV, and are useful, alone and together with other therapeutic agents, in treating or preventing diseases or disorders such as viral infections and virus-related disorders.
    Type: Application
    Filed: August 19, 2009
    Publication date: May 3, 2012
    Inventors: Cecil D. Kwong, F. George Njoroge, Subramaniam Ananthan, Ashok Arasappan, Frank Bennett, Jeremy Clark, Anita T. Fowler, Feng Geng, Hollis S. Kezar, III, Joseph A. Maddry, John J. Piwinski, Robert C. Reynolds, Abhijit Roychowdhury, John A. Secrist, III, Neng-Yang Shih
  • Publication number: 20110318305
    Abstract: The present invention provides compounds of Formula (I): and tautomers, isomers, and esters of said compounds, and pharmaceutically acceptable salts, solvates, and prodrugs of said compounds, wherein each of R, R1, X, Y, Z, R2, R3, R4, R5, R6, R7, R8, R9, R18, R19 and n is selected independently and as defined herein. Compositions comprising such compounds are also provided. The compounds of the invention are effective as inhibitors of HCV, and are useful, alone and together with other therapeutic agents, in treating or preventing diseases or disorders such as viral infections and virus-related disorders.
    Type: Application
    Filed: August 19, 2009
    Publication date: December 29, 2011
    Inventors: Ashok Arasappan, F. George Njoroge, Cecil D. Kwong, Subramaniam Ananthan, Frank Bennett, Jeremy Clark, Hollis S. Kezar, III, Vinay M. Girijavallabhan, Yuhua Huang, Regina Huelgas, Joseph A. Maddry, John J. Piwinski, Robert C. Reynolds, Abhijit Roychowdhury, Anita T. Fowler, Feng Geng, John A. Secrist, III, Neng-Yang Shih, Vishal Verma, Francisco Velazquez, Srikanth Venkatraman
  • 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
  • Publication number: 20110117057
    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: December 20, 2010
    Publication date: May 19, 2011
    Applicants: SCHERING CORPORATION, DENDREON CORPORATION
    Inventors: Anil K. Saksena, Viyyoor Moopil Girijavallabhan, Raymond G. Lovey, Edwin Jao, Frank Bennett, Jinping L. McCormick, Haiyan Wang, Russell E. Pike, Stephane L. Bogen, Tin-Yau Chan, Yi-Tsung Liu, Zhaoning Zhu, F. George Njoroge, Ashok Arasappan, Tejal Parekh, Ashit K. Ganguly, Kevin X. Chen, Srikanth Venkatraman, Henry A. Vaccaro, Patrick A. Pinto, Bama Santhanam, Scott Jeffrey Kemp, Odile Esther Levy, Marguerita Lim-Wilby, Susan Y. Tamura, Wanli Wu, Siska Hendrata, Yuhua Huang
  • Patent number: 7816326
    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: April 10, 2007
    Date of Patent: October 19, 2010
    Assignee: Schering Corporation
    Inventors: Francisco Velazquez, Stephane L. Bogen, Ashok Arasappan, Srikanth Venkatraman, F. George Njoroge, Neng-Yang Shih
  • Patent number: 7759499
    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: October 3, 2006
    Date of Patent: July 20, 2010
    Assignee: Schering Corporation
    Inventors: Srikanth Venkatraman, F. George Njoroge, Melissa L. Blackman, Wanil Wu, Latha G. Nair, Ashok Arasappan, Stephane L. Bogen, Kevin X. Chen, Mousumi Sannigrahi, Frank Bennett, Viyyor M. Girijavallabhan
  • Patent number: 7718691
    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: October 3, 2006
    Date of Patent: May 18, 2010
    Assignee: Schering Corporation
    Inventors: Srikanth Venkatraman, F. George Njoroge, Melissa L. Blackman, Wanil Wu, Latha G. Nair, Ashok Arasappan, Stephane L. Bogen, Kevin X. Chen, Mousumi Sannigrahi, Frank Bennett, Viyyor M. Girijavallabhan
  • 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
  • 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
  • Patent number: 7592316
    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: March 6, 2007
    Date of Patent: September 22, 2009
    Assignee: Schering Corporation
    Inventors: F. George Njoroge, Ashok Arasappan, Srikanth Venkatraman, Stephane L. Bogen, Kevin X. Chen, Frank Bennett
  • Patent number: 7485625
    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: December 9, 2004
    Date of Patent: February 3, 2009
    Assignee: Schering Corporation
    Inventors: Francisco Velazquez, Srikanth Venkatraman, Ashok Arasappan, F. George Njoroge
  • Patent number: 7425576
    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: December 21, 2006
    Date of Patent: September 16, 2008
    Assignee: Schering Corporation
    Inventors: Ashok Arasappan, F. George Njoroge, Angela I. Padilla-Acevedo, Kevin X. Chen, Frank Bennett, Mousumi Sannigrahi, Stephane L. Bogen, Srikanth Venkatraman, Edwin E. Jao, Anil K. Saksena, Viyyoor M. Girijavallabhan
  • Patent number: 7423058
    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: December 21, 2006
    Date of Patent: September 9, 2008
    Assignee: Schering Corporation
    Inventors: Stephane L. Bogen, Weidong Pan, Sumei Ruan, Kevin X. Chen, Ashok Arasappan, Srikanth Venkatraman, Latha G. Nair, Mousumi Sannigrahi, Frank Bennett, Anil K. Saksena, F. George Njoroge, Viyyoor M. Girijavallabhan
  • Patent number: RE43298
    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: April 22, 2011
    Date of Patent: April 3, 2012
    Assignees: Schering Corporation, Dendreon Corporation
    Inventors: Anil K. Saksena, Viyyoor Moopil Girijavallabhan, Raymond G. Lovey, Edwin Jao, Frank Bennett, Jinping L. McCormick, Haiyan Wang, Russell E. Pike, Stephane L. Bogen, Tin-Yau Chan, Yi-Tsung Liu, Zhaoning Zhu, F. George Njoroge, Ashok Arasappan, Tejal Parekh, Ashit K. Ganguly, Kevin X. Chen, Srikanth Venkatraman, Henry M. Vaccaro, Patrick A. Pinto, Bama Santhanam, Scott Jeffrey Kemp, Odile Esther Levy, Marguerita Lim-Wilby, Susan Y. Tamura, Wanli Wu, Siska Hendrata, Yuhua Huang