Patents by Inventor Rong-qiang Liu

Rong-qiang Liu 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).

  • Fused bicyclic derivatives of 2,4-diaminopyrimidine as ALK and c-MET inhibitors
    Patent number: 8552186
    Abstract: The present invention provides a compound of formula I or II or a pharmaceutically acceptable salt form thereof, wherein R1, R2, R3, R4, R5, A1, A2, A3, A4, and A5, are as defined herein. The compounds of formula I or II have ALK and/or c-Met inhibitory activity, and may be used to treat proliferative disorders.
    Type: Grant
    Filed: March 6, 2012
    Date of Patent: October 8, 2013
    Assignee: Cephalon, Inc.
    Inventors: Gulzar Ahmed, Henry J. Breslin, Jason Burke, Matthew A. Curry, James L. Diebold, Bruce D. Dorsey, Benjamin J. Dugan, Daming Feng, Diane E. Gingrich, Tao Guo, Keith S. Learn, Joseph Lisko, Rong-qiang Liu, Eugen F. Mesaros, Karen L. Milkiewicz, Gregory R. Ott, Jay P. Theroff, Tho Thieu, Rabindranath Tripathy, Theodore L. Underiner, Gregory J. Wells, Craig A. Zificsak
  • Fused Bicyclic Derivatives of 2,4-Diaminopyrimidine as ALK and c-MET Inhibitors
    Publication number: 20120165519
    Abstract: The present invention provides a compound of formula I or II or a pharmaceutically acceptable salt form thereof, wherein R1, R2, R3, R4, R5, A1, A2, A3, A4, and A5, are as defined herein. The compounds of formula I or II have ALK and/or c-Met inhibitory activity, and may be used to treat proliferative disorders.
    Type: Application
    Filed: March 6, 2012
    Publication date: June 28, 2012
    Applicant: Cephalon, Inc.
    Inventors: Gulzar Ahmed, Henry Joseph Breslin, Jason Burke, Matthew A. Curry, James L. Diebold, Bruce Dorsey, Benjamin J. Dugan, Daming Feng, Diane E. Gingrich, Tao Guo, Keith S. Learn, Joseph G. Lisko, Rong-qiang Liu, Eugen Mesaros, Karen Milkiewicz, Gregory R. Ott, Jay P. Theroff, Tho V. Thieu, Rabindranath Tripathy, Theodore L. Underiner, Gregory J. Wells, Craig A. Zificsak
  • Fused bicyclic derivatives of 2,4-diaminopyrimidine as ALK and c-Met inhibitors
    Patent number: 8148391
    Abstract: The present invention provides a compound of formula I or II or a pharmaceutically acceptable salt form thereof, wherein R1, R2, R3, R4, R5, A1, A2, A3, A4, and A5, are as defined herein. The compounds of formula I or II have ALK and/or c-Met inhibitory activity, and may be used to treat proliferative disorders.
    Type: Grant
    Filed: October 23, 2007
    Date of Patent: April 3, 2012
    Assignee: Cephalon, Inc.
    Inventors: Gulzar Ahmed, Henry Joseph Breslin, Jason Burke, Matthew A. Curry, James L. Diebold, Bruce Dorsey, Benjamin J. Dugan, Daming Feng, Diane E. Gingrich, Tao Guo, Keith S. Learn, Joseph G. Lisko, Rong-Qiang Liu, Eugen Florin Mesaros, Karen Milkiewicz, Gregory R. Ott, Jay P. Theroff, Tho V. Thieu, Rabindranath Tripathy, Theodore L. Underiner, Gregory J. Wells, Craig A. Zificsak
  • ALPHA2C adrenoreceptor agonists
    Patent number: 7985748
    Abstract: In its many embodiments, the present invention relates to a novel class of phenylmorpholine and phenylthiomorpholine compounds useful as ?2C adrenergic receptor agonists, pharmaceutical compositions containing the compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the ?2C adrenergic receptor agonists using such compounds or pharmaceutical compositions.
    Type: Grant
    Filed: March 12, 2010
    Date of Patent: July 26, 2011
    Assignees: Pharmacopeia Drug Discovery, Inc., Scheeing Corporation
    Inventors: Kevin D. McCormick, Christopher W. Boyce, Neng-Yang Shih, Robert G. Aslanian, Pietro Mangiaracina, Manuel de Lera Ruiz, Younong Yu, Purakkattle Biju, Chia-Yu Huang, Bo Liang, Ruiyan Liu, Rong-Qiang Liu, Lisa Guise-Zawacki
  • Functionally selective alpha2C adrenoreceptor agonists
    Patent number: 7803828
    Abstract: In its many embodiments, the present invention provides a novel class of indolines as inhibitors of ?2C adrenergic receptor agonists, 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 conditions associated with the ?2C adrenergic receptors using such compounds or pharmaceutical compositions.
    Type: Grant
    Filed: August 23, 2006
    Date of Patent: September 28, 2010
    Assignee: Schering-Plough Corporation
    Inventors: Kevin D. McCormick, Christopher W. Boyce, Robert G. Aslanian, Neng-Yang Shih, Salem Fevrier, Pietro Mangiaracina, Chia-Yu Huang, Bo Liang, Rong-Qiang Liu, Huagang Lu
  • ALPHA2C ADRENORECEPTOR AGONISTS
    Publication number: 20100173823
    Abstract: In its many embodiments, the present invention relates to a novel class of phenylmorpholine and phenylthiomorpholine compounds useful as ?2C adrenergic receptor agonists, pharmaceutical compositions containing the compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the ?2C adrenergic receptor agonists using such compounds or pharmaceutical compositions.
    Type: Application
    Filed: March 12, 2010
    Publication date: July 8, 2010
    Inventors: Kevin D. McCormick, Christopher W. Boyce, Neng-Yang Shih, Robert G. Aslanian, Pietro Mangiaracina, Manuel de Lera Ruiz, Younong Yu, Purakkattle Biju, Chia-Yu Huang, Bo Liang, Ruiyan Liu, Rong-Qiang Liu, Lisa Guise-Zawacki
  • ?2C adrenoreceptor agonists
    Patent number: 7700592
    Abstract: In its many embodiments, the present invention relates to a novel class of phenylmorpholine and phenylthiomorpholine compounds useful as ?2C adrenergic receptor agonists, pharmaceutical compositions containing the compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the ?2C adrenergic receptor agonists using such compounds or pharmaceutical compositions.
    Type: Grant
    Filed: February 13, 2007
    Date of Patent: April 20, 2010
    Assignee: Schering Corporation
    Inventors: Kevin D. McCormick, Christopher W. Boyce, Neng-Yang Shih, Chia-Yu Huang, Robert G. Aslanian, Salem Fevrier, Bo Liang, Rong-qiang Liu, Ruiyan Liu, Pietro Mangiaracina, Manuel de Lera Ruiz, Younong Yu, Lisa Guise-Zawacki, Junying Zheng
  • FUSED BICYCLIC DERIVATIVES OF 2,4-DIAMINOPYRIMIDINE AS ALK AND c-MET INHIBITORS
    Publication number: 20090221555
    Abstract: The present invention provides a compound of formula I or II or a pharmaceutically acceptable salt form thereof, wherein R1, R2, R3, R4, R5, A1, A2, A3, A4, and A5, are as defined herein. The compounds of formula I or II have ALK and/or c-Met inhibitory activity, and may be used to treat proliferative disorders.
    Type: Application
    Filed: October 23, 2007
    Publication date: September 3, 2009
    Applicants: Cephalon, Inc., Pharmacopeia Drug Discovery, Inc.
    Inventors: Gulzar Ahmed, Adolph Bohnstedt, Henry Joseph Breslin, Jason Burke, Matthew A. Curry, James L. Diebold, Bruce Dorsey, Benjamin J. Dugan, Daming Feng, Diane E. Gingrich, Tao Guo, Koc-Kan Ho, Keith S. Learn, Joseph G. Lisko, Rong-qiang Liu, Eugen Mesaros, Karen Milkiewicz, Gregory R. Ott, Jonathan Parrish, Jay P. Theroff, Tho V. Thieu, Rabindranath Tripathy, Theodore L. Underiner, Jason C. Wagner, Linda Weinberg, Gregory J. Wells, Ming You, Craig A. Zificsak
  • Alpha2C adrenoreceptor agonists
    Publication number: 20080039439
    Abstract: In its many embodiments, the present invention relates to a novel class of phenylmorpholine and phenylthiomorpholine compounds useful as ?2C adrenergic receptor agonists, pharmaceutical compositions containing the compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the ?2C adrenergic receptor agonists using such compounds or pharmaceutical compositions.
    Type: Application
    Filed: February 13, 2007
    Publication date: February 14, 2008
    Inventors: Kevin McCormick, Christopher Boyce, Neng-Yang Shih, Chia-Yu Huang, Robert Aslanian, Salem Fevrier, Bo Liang, Rong-qiang Liu, Ruiyan Liu, Pietro Mangiaracina, Manuel de Lera Ruiz, Younong Yu, Lisa Guise-Zawacki, Junying Zheng
  • Functionally selective alpha2C adrenoreceptor agonists
    Publication number: 20080027100
    Abstract: In its many embodiments, the present invention provides a novel class of indolines as inhibitors of ?2C adrenergic receptor agonists, 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 conditions associated with the ?2C adrenergic receptors using such compounds or pharmaceutical compositions.
    Type: Application
    Filed: February 13, 2007
    Publication date: January 31, 2008
    Inventors: Kevin McCormick, Christopher Boyce, Neng-Yang Shih, Chia-Yu Huang, Robert Aslanian, Jianhua Chao, Salem Fevrier, Bo Liang, Huagang Lu, Pietro Mangiaracina, Rong-Qiang Liu, Younong Yu
  • Functionally selective alpha2C adrenoreceptor agonists
    Publication number: 20070099872
    Abstract: In its many embodiments, the present invention provides a novel class of indolines as inhibitors of ?2C adrenergic receptor agonists, 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 conditions associated with the ?2C adrenergic receptors using such compounds or pharmaceutical compositions.
    Type: Application
    Filed: August 23, 2006
    Publication date: May 3, 2007
    Inventors: Kevin McCormick, Christopher Boyce, Robert Aslanian, Neng-Yang Shih, Salem Fevrier, Pietro Mangiaracina, Chia-Yu Huang, Bo Liang, Rong-Qiang Liu, Huagang Lu
  • Alpha2C adrenoreceptor agonists
    Publication number: 20070093477
    Abstract: In its many embodiments, the present invention relates to a novel class of phenylmorpholine and phenylthiomorpholine compounds useful as ?2C adrenergic receptor agonists, pharmaceutical compositions containing the compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the ?2C adrenergic receptor agonists using such compounds or pharmaceutical compositions.
    Type: Application
    Filed: August 23, 2006
    Publication date: April 26, 2007
    Inventors: Kevin McCormick, Christopher Boyce, Neng-Yang Shih, Robert Aslanian, Pietro Mangiaracina, Manuel de Lera Ruiz, Younong Yu, Purakkattle Biju, Chia-Yu Huang, Bo Liang, Ruiyan Liu, Rong-Qiang Liu, Lisa Guise-Zawacki