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: 20100260711
    Abstract: The present invention relates to 3-Aminosulfonyl Substituted Indole Derivatives, 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: Application
    Filed: November 13, 2008
    Publication date: October 14, 2010
    Applicant: Schering Corporation
    Inventors: Kevin X. Chen, Stuart B. Rosenblum, F. George Njoroge, Joseph A. Kozlowski
  • 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
  • Publication number: 20100098661
    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: Application
    Filed: December 17, 2007
    Publication date: April 22, 2010
    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
  • 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: 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
  • 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: 7244721
    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: January 18, 2002
    Date of Patent: July 17, 2007
    Assignees: Schering Corporation, Dendreon Corporation
    Inventors: Anil K. Saksena, Viyyoor Moopil Girijavallabhan, Raymond G. Lovey, Edwin Jao, Frank Bennett, Jinping L. Mc Cormick, 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, Jesse K. Wong, Latha G. Nair
  • Patent number: 7205330
    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: April 17, 2007
    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: 7192957
    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: March 20, 2007
    Assignee: Schering Corporation
    Inventors: Srikanth Venkatraman, F. George Njoroge, Melissa L. Blackman, Wanli Wu, Latha G. Nair, Ashok Arasappan, Stephane L. Bogen, Kevin X. Chen, Mousumi Sannigrahi, Frank Bennett, Viyyoor M. Girijavallabhan
  • Patent number: 7186747
    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: March 6, 2007
    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 Jao, Anil K. Saksena, Viyyoor M. Girijavallabhan
  • Patent number: 7173057
    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: February 6, 2007
    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: 7169760
    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: July 19, 2001
    Date of Patent: January 30, 2007
    Assignees: Schering Corporation, Dendreon Corporation
    Inventors: Anil K. Saksena, Viyyoor Moopil Girijavallabhan, Stephane L. Bogen, Raymond G. Lovey, Edwin Jao, Frank Bennett, Jinping L. Mc Cormick, Haiyan Wang, Russell E. Pike, Yi-Tsung Liu, Tin-Yau Chan, Zhaoning Zhu, Ashok Arasappan, Kevin X. Chen, Srinkanth 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: 7012066
    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: July 19, 2001
    Date of Patent: March 14, 2006
    Assignees: Schering Corporation, Dendreon Corporation
    Inventors: Anil K. Saksena, Viyyoor Moopil Girijavallabhan, Raymond G. Lovey, Edwin Jao, Frank Bennett, Jinping L. Mc Cormick, 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: 6914122
    Abstract: The present invention discloses novel macrocyclic 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 macrocycles as well as methods of using them to treat disorders associated with the HCV protease.
    Type: Grant
    Filed: April 17, 2001
    Date of Patent: July 5, 2005
    Assignee: Schering Corporation
    Inventors: Srikanth Venkatraman, Kevin X. Chen, Ashok Arasappan, F. George Njoroge, Viyyoor Moopil Girijavallabhan, Ashit K. Ganguly, Tin-Yau Chan, Brian Alexander Mc Kittrick, Nanhua Hugh Yao, Andrew Joseph Prongay, Vincent Stewart Madison
  • Patent number: 6911428
    Abstract: The present invention is directed to certain diaryl amide compounds as NS3-Serine protease inhibitors of hepatitis C virus.
    Type: Grant
    Filed: December 10, 2001
    Date of Patent: June 28, 2005
    Assignee: Schering Corporation
    Inventors: Zhaoning Zhu, Zhong-Yue Sun, Srikanth Venkatraman, F. George Njoroge, Ashok Arasappan, Bruce A. Malcolm, Viyyoor M. Girijavallabhan, Raymond G. Lovey, Kevin X. Chen
  • Patent number: 6894072
    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: January 21, 2003
    Date of Patent: May 17, 2005
    Assignee: Schering Corporation
    Inventors: Ashok Arasappan, Frank Bennett, Stephane L. Bogen, Kevin X. Chen, Edwin Jao, Yi-Tsung Liu, Raymond G. Lovey, Vincent S. Madison, Latha G. Nair, F. George Njoroge, Anil K. Saksena, Mousumi Sannigrahi, Srikanth Venkatraman, Viyyoor M. Girijavallabhan