Patents by Inventor Tejal Parekh

Tejal Parekh 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: 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: 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: 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
  • Publication number: 20070032433
    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: January 18, 2002
    Publication date: February 8, 2007
    Inventors: Anil Saksena, Viyyoor Girijavallabhan, Raymond Lovey, Edwin Jao, Frank Bennett, Jinping Mc Cormick, Haiyan Wang, Russell Pike, Stephane Bogen, Tin-Yau Chan, Yi-Tsung Liu, Zhaoning Zhu, F. Njoroge, Ashok Arasappan, Tejal Parekh, Ashit Ganguly, Kevin Chen, Srikanth Venkatraman, Henry Vaccaro, Patrick Pinto, Bama Santhanam, Scott Kemp, Odile Levy, Marguerita Lim-wilby, Susan Tamura, Wanli Wu, Siska Hendrata, Yuhua Huang, Jesse Wong, Latha Nair
  • 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
  • Publication number: 20060205672
    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: September 30, 2005
    Publication date: September 14, 2006
    Applicants: Schering Corporation, Dendreon Corporation
    Inventors: Anil Saksena, Viyyoor Girijavallabhan, Raymond Lovey, Edwin Jao, Frank Bennett, Jinping McCormick, Haiyan Wang, Russell Pike, Stephane Bogen, Tin-Yau Chan, Yi-Tsung Liu, Zhaoning Zhu, F. Njoroge, Ashok Arasappan, Tejal Parekh, Ashit Ganguly, Kevin Chen, Srikanth Venkatraman, Henry Vaccaro, Patrick Pinto, Bama Santhanam, Scott Kemp, Odile Levy, Marguerita Lim-Wilby, Susan Tamura, Wanli Wu, Siska Hendrata, Yuhua Huang
  • 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
  • Publication number: 20050176648
    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: Application
    Filed: March 24, 2005
    Publication date: August 11, 2005
    Applicant: Schering-Plough Corporation
    Inventors: Anil Saksena, Viyyoor Girijavallabhan, Stephane Bogen, Raymond Lovey, Edwin Jao, Frank Bennett, Jinping McCormick, Haiyan Wang, Russell Pike, Yi-Tsung Liu, Tin-Yau Chan, Zhaoning Zhu, Ashok Arasappan, Kevin Chen, Srikanth Venkatraman, Tejal Parekh, Patrick Pinto, Bama Santhanam, F. Njoroge, Ashit Ganguly, Henry Vaccaro, Scott Kemp, Odile Levy, Marguerita Lim-Wilby, Susan Tamura
  • Publication number: 20050059606
    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 peptides as well as methods of using them to treat disorders associated with the HCV protease.
    Type: Application
    Filed: September 3, 2004
    Publication date: March 17, 2005
    Applicants: Dendreon Corporation, Schering Corporation
    Inventors: Anil Saksena, Viyyoor Girijavallabhan, Raymond Lovey, Edwin Jao, Ashok Arasappan, Tejal Parekh, Patrick Pinto, Frank Bennett, Jinping McCormick, Haiyan Wang, Russell Pike, Stephane Bogen, Yi-Tsung Liu, F. Njoroge, Ashit Ganguly, Terence Brunck, Scott Kemp, Odile Levy, Marguerita Lim-Wilby
  • Patent number: 6846802
    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 3, 2001
    Date of Patent: January 25, 2005
    Assignee: Schering Corporation
    Inventors: Kevin X. Chen, Ashok Arasappan, Srikanth Venkatraman, Tejal Parekh, Haining Gu, George F. Njoroge, Viyyoor Moopil Girijavallabhan, Ashit Ganguly, Anil Saksena, Edwin Jao, Nanhua Hugh Yao, Andrew Joseph Prongay, Vincent Stewart Madison, Bancha Vibulbhan
  • Patent number: 6838475
    Abstract: The present invention discloses novel imidazolidinones which have HCV protease inhibitory activity as well as methods for preparing such compounds. In another embodiment, the invention discloses pharmaceutical compositions comprising such imidazolidinones 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 4, 2005
    Assignee: Schering Corporation
    Inventors: Ashok Arasappan, Tejal Parekh, F. George Njoroge, Viyyoor Moopil Girijavallabhan, Ashit K. Ganguly
  • Publication number: 20040254117
    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: July 19, 2001
    Publication date: December 16, 2004
    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: 6800434
    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 peptides as well as methods of using them to treat disorders associated with the HCV protease.
    Type: Grant
    Filed: July 19, 2001
    Date of Patent: October 5, 2004
    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, Yi-Tsung Liu, Ashok Arasappan, Tejal Parekh, Patrick A. Pinto, F. George Njoroge, Ashit K. Ganguly, Terence K. Brunck, Scott Jeffrey Kemp, Odile Esther Levy, Marguerita Lim-Wilby
  • Publication number: 20030216325
    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: July 19, 2001
    Publication date: November 20, 2003
    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: 20030036501
    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 peptides as well as methods of using them to treat disorders associated with the HCV protease.
    Type: Application
    Filed: July 19, 2001
    Publication date: February 20, 2003
    Inventors: Anil K. Saksena, Viyyoor Moopil Girijavallabhan, Raymond G. Lovey, Edwin E. Jao, Frank Bennett, Jinping L. McCormick, Haiyan Wang, Russell E. Pike, Stephane L. Bogen, Yi-Tsung Liu, Ashok Arasappan, Tejal Parekh, Patrick A. Pinto, F. George Njoroge, Ashit K. Ganguly, Terence K. Brunck, Scott Jeffrey Kemp, Odile Esther Levy, Marguerita Lim-Wilby
  • Publication number: 20020160962
    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: Application
    Filed: July 19, 2001
    Publication date: October 31, 2002
    Inventors: Anil K. Saksena, Viyyoor Moopil Girijavallabhan, Stephane L. Bogen, Raymond G. Lovey, Edwin E. 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, 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
  • Publication number: 20020107181
    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: Application
    Filed: April 3, 2001
    Publication date: August 8, 2002
    Inventors: Kevin X. Chen, Ashok Arasappan, Srikanth Venkatraman, Tejal Parekh, Haining Gu, F. George Njoroge, Viyyoor Moopil Girijavallabhan, Ashit Ganguly, Anil Saksena, Edwin Jao, Nanhua Hugh Yao, Andrew Joseph Prongay, Vincent Stewart Madison, Bancha Vibulbhan
  • Publication number: 20020102235
    Abstract: The present invention discloses novel imidazolidinones which have HCV protease inhibitory activity as well as methods for preparing such compounds. In another embodiment, the invention discloses pharmaceutical compositions comprising such imidazolidinones as well as methods of using them to treat disorders associated with the HCV protease.
    Type: Application
    Filed: July 19, 2001
    Publication date: August 1, 2002
    Inventors: Ashok Arasappan, Tejal Parekh, F. George Njoroge, Viyyoor Moopil Girijavallabhan, Ashit K. Ganguly
  • 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