Patents by Inventor Kevin X. Chen

Kevin X. Chen 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
  • Patent number: 8772505
    Abstract: The present invention relates to novel Tricyclic Compounds, compositions comprising at least one Tricyclic Compound, and methods of using Tricyclic Compounds for treating or preventing a viral infection or a virus-related disorder in a patient. The present invention provides Tricyclic Compounds of Formula (I): Non-limiting examples of the Compounds of Formula (I) include compound 44 The Compounds of Formula (II) can be useful for inhibiting HCV viral replication or replicon activity, and for treating or preventing HCV infection in a patient.
    Type: Grant
    Filed: May 28, 2010
    Date of Patent: July 8, 2014
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Kevin X. Chen, Anilkumar Gopinadhan Nair, Qingbei Zeng, Stuart B. Rosenblum, Joseph A. Kozlowski, F. George Njoroge
  • Patent number: 8614229
    Abstract: The present invention relates to Substituted Indole Derivatives, compositions comprising at least one Substituted Indole Derivative, and methods of using these Substituted Indole Derivatives for treating or preventing a viral infection or a virus-related disorder in a patient.
    Type: Grant
    Filed: August 27, 2008
    Date of Patent: December 24, 2013
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Gopinadhan N. Anilkumar, Frank Bennett, Tin-Yau Chan, Kevin X. Chen, Mousumi Sannigrahi, Francisco Velazquez, Srikanth Venkatraman, Qingbei Zeng, Jose S. Duca, Charles A. Lesburg, Joseph A. Kozlowski, F. George Njoroge, Stuart B. Rosenblum, Neng-Yang Shih
  • Patent number: 8557848
    Abstract: The present invention relates to 4,5-ring annulated indole derivatives, compositions comprising at least one 4,5-ring annulated indole derivatives, and methods of using the 4,5-ring annulated indole derivatives for treating or preventing a viral infection or a virus-related disorder in a patient. Wherein ring Z, of formula (I), is a cyclopentyl, cyclopentenyl, 5-membered heterocycloalkyl, 5-membered heterocycloalkenyl or 5-membered heteroaryl ring.
    Type: Grant
    Filed: December 17, 2007
    Date of Patent: October 15, 2013
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Kevin X. Chen, Srikanth Venkatraman, F. George Njoroge, Stuart B. Rosenblum, Charles A. Lesburg, Jose S. Duca, Neng-Yang Shih, Francisco Velazquez, Gopinadhan N. Anilkumar, Qingbei Zeng, Joseph A. Kozlowski
  • Publication number: 20130164258
    Abstract: The present invention relates to novel Tricyclic Compounds, compositions comprising at least one Tricyclic Compound, and methods of using Tricyclic Compounds for treating or preventing a viral infection or a virus-related disorder in a patient. The present invention provides Tricyclic Compounds of Formula (I): Non-limiting examples of the Compounds of Formula (I) include compound 44 The Compounds of Formula (II) can be useful for inhibiting HCV viral replication or replicon activity, and for treating or pre-venting HCV infection in a patient.
    Type: Application
    Filed: May 28, 2010
    Publication date: June 27, 2013
    Inventors: Kevin X. Chen, Anilkumar Gopinadhan Nair, Qingbei Zeng, Stuart B. Rosenblum, Joseph A. Kozlowski, F. George Njoroge
  • Publication number: 20130156731
    Abstract: The present invention relates to novel Fused Tricyclic Compounds, compositions comprising at least one Fused Tricyclic Compound, and methods of using Fused Tricyclic Compounds for treating or preventing a viral infection or a virus-related disorder in a patient.
    Type: Application
    Filed: December 20, 2010
    Publication date: June 20, 2013
    Inventors: Kevin X. Chen, Stuart B. Rosenblum, Joseph A. Kozlowski, F. George Njoroge
  • Patent number: 8377928
    Abstract: The present invention relates to 3-Aminosulfonyl Substituted Indole Derivatives of Formula (I): The invention also relates to compositions comprising at least one 3-Aminosulfonyl Substituted Indole Derivative, and methods of using the 3-Aminosulfonyl Substituted Indole Derivatives for treating or preventing a viral infection or a virus-related disorder in a patient.
    Type: Grant
    Filed: November 13, 2008
    Date of Patent: February 19, 2013
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Kevin X. Chen, Stuart B. Rosenblum, F. George Njoroge, Joseph A. Kozlowski
  • Publication number: 20120276047
    Abstract: The present invention relates to novel fused tricyclic compounds, compositions comprising at least one fused tricyclic compound, and methods of using fused tricyclic compounds for treating or preventing a viral infection or a virus-related disorder in a patient.
    Type: Application
    Filed: November 23, 2010
    Publication date: November 1, 2012
    Inventors: Stuart B. Rosenblum, Kevin X. Chen, Joseph A. Kozlowski, F. George Njoroge
  • Publication number: 20120258078
    Abstract: The present invention relates to novel Linked Tricyclic Aryl Compounds, compositions comprising at least one Linked Tricyclic Compound, and methods of using Linked Tricyclic Aryl Compounds for treating or preventing HCV infection in a patient.
    Type: Application
    Filed: May 28, 2010
    Publication date: October 11, 2012
    Applicant: Schering Corporation
    Inventors: Qingbei Zeng, Kevin X. Chen, Anilkumar Gopinadhan Nair, Stuart B. Rosenblum, Joseph A. Kozlowski, F. George Njoroge
  • Publication number: 20120251491
    Abstract: The present invention relates to novel Fused Tricyclic Aryl Compounds, compositions comprising at least one Fused Tricyclic Aryl Compound, and methods of using the Fused Tricyclic Aryl Compounds for treating or preventing HCV infection in a patient.
    Type: Application
    Filed: May 12, 2010
    Publication date: October 4, 2012
    Inventors: Stuart B. Rosenblum, Kevin X. Chen, Joseph A. Kozlowski, F. George Njoroge, Craig A. Coburn
  • Patent number: 8268803
    Abstract: The present invention relates to 5,6-ring annulated indole derivatives of the formula (I), compositions comprising at least one 5,6-ring annulated indole derivatives, and methods of using the 5,6-ring annulated indole derivatives for treating or preventing a viral infection or a virus-related disorder in a patient.
    Type: Grant
    Filed: December 17, 2007
    Date of Patent: September 18, 2012
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Frank Bennett, Srikanth Venkatraman, F. George Njoroge, Kevin X. Chen, Neng-Yang Shih, Stuart B. Rosenblum, Joseph A. Kozlowski
  • Patent number: 8143305
    Abstract: The present invention relates to 2,3-Substituted Indole Derivatives, compositions comprising at least one 2,3-Substituted Indole Derivative, and methods of using the 2,3-Substituted Indole Derivatives for treating or preventing a viral infection or a virus-related disorder in a patient.
    Type: Grant
    Filed: August 27, 2008
    Date of Patent: March 27, 2012
    Assignee: Schering Corporation
    Inventors: Gopinadhan N. Anilkumar, Frank Bennett, Tin-Yau Chan, Kevin X. Chen, Mousumi Sannigrahi, Francisco Velazquez, Srikanth Venkatraman, Qingbei Zeng, Jose S. Duca, Charles A. Lesburg, Joseph A. Kozlowski, F. George Njoroge, Stuart B. Rosenblum, Neng-Yang Shih, Stephen J. Gavalas, Yueheng Jiang, Patrick A. Pinto, Haiyan Pu, Oleg B. Selyutin, Bancha Vibulbhan, Li Wang, Wanli Wu, Weiying Yang, Yuhua Huang, Hsueh-Cheng Huang, Robert Palermo, Boris Feld
  • 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: 20110189127
    Abstract: The present invention relates to Tricyclic Indole Derivatives, compositions comprising at least one Tricyclic Indole Derivatives, and methods of using the Tricyclic Indole Derivatives for treating or preventing a viral infection or a virus-related disorder in a patient.
    Type: Application
    Filed: June 10, 2009
    Publication date: August 4, 2011
    Inventors: Srikanth Venkatraman, Anilkumar Gopinadhan Nair, Kevin X. Chen, Francisco Valazquez, Qingbei Zeng, Duan Liu, Yueheng Jiang, Joseph A. Kozlowski, F. George Njoroge, Stuart B. Rosenblum, Stephen J. Gavalas, Patrick A. Pinto, Oleg B. Selyutin, Bancha Vibulbhan
  • 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
  • Publication number: 20110104110
    Abstract: The present invention relates to Substituted Indole Derivatives, compositions comprising at least one Substituted Indole Derivative, and methods of using these Substituted Indole Derivatives for treating or preventing a viral infection or a virus-related disorder in a patient.
    Type: Application
    Filed: August 27, 2008
    Publication date: May 5, 2011
    Inventors: Gopinadhan N. Anikumar, Frank Bennett, Tin-Yau Chan, Kevin X. Chen, Mousumi Sannigrahi, Francisco Velazquez, Srikanth Venkatraman, Qingbei Zeng, Jose S. Duca, Charles A. Lesburg, Joseph A. Kozlowski, F. George Njoroge, Stuart B. Rosenblum, Neng-Yang Shih
  • Publication number: 20110104109
    Abstract: The present invention relates to Tetracyclic Indole Derivatives, compositions comprising at least one Tetracyclic Indole Derivative, and methods of using the Tetracyclic Indole Derivatives for treating or preventing a viral infection or a virus-related disorder in a patient.
    Type: Application
    Filed: August 27, 2008
    Publication date: May 5, 2011
    Inventors: Frank Bennett, Qingbei Zeng, Srikanth Venkatraman, Mousumi Sannigrahi, Kevin X. Chen, Gopinadhan N. Anilkumar, Stuart B. Rosenblum, Joseph A. Kozlowski, F. George Njoroge
  • Publication number: 20110033417
    Abstract: The present invention relates to 2,3-Substituted Indole Derivatives, compositions comprising at least one 2,3-Substituted Indole Derivative, and methods of using the 2,3-Substituted Indole Derivatives for treating or preventing a viral infection or a virus-related disorder in a patient.
    Type: Application
    Filed: August 27, 2008
    Publication date: February 10, 2011
    Inventors: Gopinadhan N. Anilkumar, Frank Bennett, Tin-Yau Chan, Kevin X. Chen, Mousumi Sannigrahi, Francisco Velazquez, Srikanth Venkatraman, Qingbei Zeng, Jose S. Duca, Charles A. Lesburg, Joseph A. Kozlowski, F. George Njoroge, Stuart B. Rosenblum, Neng-Yang Shih, Stephen J. Gavalas, Yueheng Jiang, Patrick A. Pinto, Haiyan Pu, Oleg B. Selyutin, Bancha Vibulbhan, Li Wang, Wanli Wu, Weiying Yang, Yuhua Huang, Hsueh-Cheng Huang, Robert Palermo, Boris Feld
  • Publication number: 20100322901
    Abstract: The present invention relates to 5,6-ring annulated indole derivatives of the formula (I), compositions comprising at least one 5,6-ring annulated indole derivatives, and methods of using the 5,6-ring annulated indole derivatives for treating or preventing a viral infection or a virus-related disorder in a patient.
    Type: Application
    Filed: December 17, 2007
    Publication date: December 23, 2010
    Inventors: Frank Bennett, Srikanth Venkatraman, F. George Njoroge, Kevin X. Chen, Neng-Yang Shih, Stuart B. Rosenblum, Joseph A. Kozlowski
  • 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