Patents by Inventor Haiquan Fang

Haiquan Fang 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).

  • Patent number: 11466005
    Abstract: Disclosed are tricyclic compounds as bromodomain and extra-terminal (BET) inhibitors which are shown as formula I, their synthesis and their use for treating diseases. More particularly, disclosed are fused heterocyclic derivatives useful as inhibitors of BET, methods for producing such compounds and methods for treating diseases and conditions wherein inhibition of one or more BET bromodomains provides a benefit.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: October 11, 2022
    Assignee: JACOBIO PHARMACEUTICALS CO., LTD.
    Inventors: Haiquan Fang, Mingming Chen, Guiqun Yang, Yuelei Du, Yanping Wang, Tong Wu, Qinglong Li, Lei Zhang, Shaojing Hu
  • Publication number: 20220119390
    Abstract: Disclosed are tricyclic compounds as bromodomain and extra-terminal (BET) inhibitors which are shown as formula I, their synthesis and their use for treating diseases. More particularly, disclosed are fused heterocyclic derivatives useful as inhibitors of BET, methods for producing such compounds and methods for treating diseases and conditions wherein inhibition of one or more BET bromodomains provides a benefit.
    Type: Application
    Filed: December 23, 2021
    Publication date: April 21, 2022
    Inventors: Haiquan FANG, Mingming CHEN, Guiqun YANG, Yuelei DU, Yanping WANG, Tong WU, Qinglong LI, Lei ZHANG, Shaojing HU
  • Publication number: 20210179617
    Abstract: Disclosed are tricyclic compounds as bromodomain and extra-terminal (BET) inhibitors which are shown as formula I, their synthesis and their use for treating diseases. More particularly, disclosed are fused heterocyclic derivatives useful as inhibitors of BET, methods for producing such compounds and methods for treating diseases and conditions wherein inhibition of one or more BET bromodomains provides a benefit.
    Type: Application
    Filed: December 22, 2020
    Publication date: June 17, 2021
    Inventors: Haiquan FANG, Mingming CHEN, Guiqun YANG, Yuelei DU, Yanping WANG, Tong WU, Qinglong LI, Lei ZHANG, Shaojing HU
  • Patent number: 9751879
    Abstract: The present invention is directed to tricyclic compounds, pharmaceutically acceptable compositions comprising compounds of the invention and methods of using said compositions in the treatment of various disorders.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: September 5, 2017
    Assignee: Bristol-Myers Squibb Company
    Inventors: Derek J. Norris, George V. Delucca, Ashvinikumar V. Gavai, Claude A. Quesnelle, Patrice Gill, Daniel O'Malley, Wayne Vaccaro, Francis Y. Lee, Mikkel V. DeBenedetto, Andrew P. Degnan, Haiquan Fang, Matthew D. Hill, Hong Huang, William D. Schmitz, John E. Starrett, Jr., Wen-Ching Han, John S. Tokarski, Sunil Kumar Mandal
  • Patent number: 9688669
    Abstract: The disclosure generally relates to compounds of formula I, including their salts, as well as compositions and methods of using the compounds. The compounds are ligands, agonists and partial agonists for the mGluR5 receptor and may be useful for the treatment of various disorders of the central nervous system.
    Type: Grant
    Filed: October 6, 2014
    Date of Patent: June 27, 2017
    Assignee: Bristol-Myers Squibb Company
    Inventors: Andrew P. Degnan, Darrell Maxwell, Matthew D. Hill, Haiquan Fang, Michael F. Parker, Fukang Yang, Joanne J. Bronson, John E. Macor
  • Publication number: 20160326173
    Abstract: The present invention is directed to tricyclic compounds, pharmaceutically acceptable compositions comprising compounds of the invention and methods of using said compositions in the treatment of various disorders.
    Type: Application
    Filed: July 26, 2016
    Publication date: November 10, 2016
    Inventors: Derek J. Norris, George V. Delucca, Ashvinikumar V. Gavai, Claude A. Quesnelle, Patrice Gill, Daniel O'Malley, Wayne Vaccaro, Francis Y. Lee, Mikkel V. DeBenedetto, Andrew P. Degnan, Haiquan Fang, Matthew D. Hill, Hong Huang, William D. Schmitz, John E. Starrett, JR., Wen-Ching Han, John S. Tokarski, Sunil Kumar Mandal
  • Publication number: 20160318928
    Abstract: The present invention is directed to tricyclic compounds (I), pharmaceutically acceptable compositions comprising compounds of the invention and methods of using said compositions in the treatment of various disorders.
    Type: Application
    Filed: December 23, 2014
    Publication date: November 3, 2016
    Inventors: Derek J. Norris, George V. Delucca, Ashvinikumar V. Gavai, Claude A. Quesnelle, Patrice Gill, Daniel O'Malley, Wayne Vaccaro, Francis Y. Lee, Mikkel V. DeBenedetto, Andrew P. Degnan, Haiquan Fang, Matthew D. Hill, Hong Huang, William D. Schmitz, John E. Starrett, JR., Wen-Ching Han, John S. Tokarski, Sunil Kumar Mandal
  • Patent number: 9458179
    Abstract: The disclosure provides compounds of formula I, including their salts, as well as compositions and methods of using the compounds. The compounds are ligands for the nicotinic ?7 receptor and may be useful for the treatment of various disorders of the central nervous system, especially affective and neurodegenerative disorders.
    Type: Grant
    Filed: May 20, 2013
    Date of Patent: October 4, 2016
    Assignee: Bristol-Myers Squibb Company
    Inventors: Matthew D. Hill, Haiquan Fang
  • Publication number: 20160237072
    Abstract: The disclosure generally relates to compounds of formula I, including their salts, as well as compositions and methods of using the compounds. The compounds are ligands, agonists and partial agonists for the mGluR5 receptor and may be useful for the treatment of various disorders of the central nervous system.
    Type: Application
    Filed: October 6, 2014
    Publication date: August 18, 2016
    Inventors: Andrew P. Degnan, Darrell Maxwell, Matthew D. Hill, Haiquan Fang, Michael F. Parker, Fukang Yang, Joanne J. Bronson, John E. Macor
  • Publication number: 20160176864
    Abstract: The present invention is directed to tricyclic compounds, pharmaceutically acceptable compositions comprising compounds of the invention and methods of using said compositions in the treatment of various disorders.
    Type: Application
    Filed: December 23, 2014
    Publication date: June 23, 2016
    Inventors: Derek J. Norris, George V. Delucca, Ashvinikumar V. Gavai, Claude A. Quesnelle, Patrice Gill, Daniel O'Malley, Wayne Vaccaro, Francis Y. Lee, Mikkel V. DeBenedetto, Andrew P. Degnan, Haiquan Fang, Matthew D. Hill, Hong Huang, William D. Schmitz, John E. Starrett, JR., Wen-Ching Han, John S. Tokarski, Sunil Kumar Mandal
  • Publication number: 20150322089
    Abstract: The disclosure provides compounds of formula I, including their salts, as well as compositions and methods of using the compounds. The compounds are ligands for the nicotinic ?7 receptor and may be useful for the treatment of various disorders of the central nervous system, especially affective and neurodegenerative disorders.
    Type: Application
    Filed: May 20, 2013
    Publication date: November 12, 2015
    Applicant: BRISTOL-MYERS SQUIBB COMPANY
    Inventors: Matthew D. Hill, Haiquan Fang
  • Patent number: 8481555
    Abstract: The disclosure generally relates to compounds of the following formula, including their salts, as well as compositions and methods of using the compounds. The compounds are prodrugs for ligands, agonists, and partial agonists for the nicotinic ?7 receptor and may be useful for the treatment of various disorders of the central nervous system, especially affective and neurodegenerative disorders.
    Type: Grant
    Filed: April 29, 2011
    Date of Patent: July 9, 2013
    Assignee: Bristol-Myers Squibb Company
    Inventors: Kimberley A. Lentz, Rex Denton, James H. Cook, II, Ivar M. McDonald, Dalton King, Richard E. Olson, Nenghui Wang, Robert A. Mate, Christiana I. Iwuagwu, F. Christopher Zusi, John E. Macor, Matthew D. Hill, Haiquan Fang
  • Patent number: 8278320
    Abstract: The disclosure provides compounds of formula I, including Ia, Ib, Ic, or Id, including their salts, as well as compositions and methods of using the compounds. The compounds are ligands for the nicotinic ?7 receptor and may be useful for the treatment of various disorders of the central nervous system, especially affective and neurodegenerative disorders.
    Type: Grant
    Filed: October 19, 2010
    Date of Patent: October 2, 2012
    Assignee: Bristol-Myers Squibb Company
    Inventors: Ivar M. McDonald, Robert A. Mate, James H. Cook, II, Dalton King, Richard E. Olson, Nenghui Wang, Christiana I. Iwuagwu, F. Christopher Zusi, Matthew D. Hill, Haiquan Fang, John E. Macor
  • Publication number: 20120108596
    Abstract: The disclosure generally relates to compounds of formula I, including their salts, as well as compositions and methods of using the compounds. The compounds are prodrugs for ligands, agonists, and partial agonists for the nicotinic ?7 receptor and may be useful for the treatment of various disorders of the central nervous system, especially affective and neurodegenerative disorders.
    Type: Application
    Filed: April 29, 2011
    Publication date: May 3, 2012
    Inventors: Kimberley A. Lentz, Rex Denton, James H. Cook, II, Ivar M. McDonald, Dalton King, Richard E. Olson, Nenghui Wang, Robert A. Mate, Christiana I. Iwuagwu, F. Christopher Zusi, John E. Macor, Matthew D. Hill, Haiquan Fang
  • Publication number: 20110263605
    Abstract: The disclosure provides compounds of formula I, including Ia, Ib, Ic, or Id, including their salts, as well as compositions and methods of using the compounds. The compounds are ligands for the nicotinic ?7 receptor and may be useful for the treatment of various disorders of the central nervous system, especially affective and neurodegenerative disorders.
    Type: Application
    Filed: October 19, 2010
    Publication date: October 27, 2011
    Inventors: Ivar M. McDonald, Robert A. Mate, James H. Cook, II, Dalton King, Richard E. Olson, Nenghui Wang, Christiana I. Iwuagwu, F. Christopher Zusi, Matthew D. Hill, Haiquan Fang, John E. Macor
  • Patent number: 7544680
    Abstract: The invention encompasses constrained bicyclic and tricyclic CGRP-receptor antagonists, methods for identifying them, pharmaceutical compositions comprising them, and methods for their use in therapy for treatment of migraine and other headaches, neurogenic vasodilation, neurogenic inflammation, thermal injury, circulatory shock, flushing associated with menopause, airway inflammatory diseases, such as asthma and chronic obstructive pulmonary disease (COPD), and other conditions the treatment of which can be effected by the antagonism of CGRP-receptors.
    Type: Grant
    Filed: April 18, 2008
    Date of Patent: June 9, 2009
    Assignee: Bristol-Myers Squibb Company
    Inventors: Prasad V. Chaturvedula, Stephen E. Mercer, Haiquan Fang
  • Patent number: 7524878
    Abstract: Disclosed are compounds and pharmaceutically acceptable salts of formula (A): which are useful in the treatment of metabolic disorders related to insulin resistance, leptin resistance, or hyperglycemia. Compounds of the invention include inhibitors of Protein tyrosine phosphatases, in particular Protein tyrosine phosphatase-1B (PTP-1B), that are useful in the treatment of diabetes and other PTP mediated diseases, such as cancer, neurodegenerative diseases and the like. Also disclosed are pharmaceutical compositions comprising compounds of the invention and methods of treating the aforementioned conditions using such compounds.
    Type: Grant
    Filed: April 30, 2004
    Date of Patent: April 28, 2009
    Assignee: The Institute for Pharmaceuticals Discovery LLC
    Inventors: Darren Whitehouse, Shaojing Hu, Haiquan Fang, Michael C. Van Zandt
  • Patent number: 7470680
    Abstract: The invention encompasses constrained bicyclic and tricyclic CGRP-receptor antagonists, methods for identifying them, pharmaceutical compositions comprising them, and methods for their use in therapy for treatment of migraine and other headaches, neurogenic vasodilation, neurogenic inflammation, thermal injury, circulatory shock, flushing associated with menopause, airway inflammatory diseases, such as asthma and chronic obstructive pulmonary disease (COPD), and other conditions the treatment of which can be effected by the antagonism of CGRP-receptors.
    Type: Grant
    Filed: May 1, 2007
    Date of Patent: December 30, 2008
    Assignee: Bristol-Myers Squibb Company
    Inventors: Prasad V. Chaturvedula, Stephen E. Mercer, Haiquan Fang, Xiaojun Han, Guanglin Luo, Gene M. Dubowchik, Graham S. Poindexter
  • Patent number: 7465825
    Abstract: Disclosed are compounds and pharmaceutically acceptable salts of formula (A): which are useful in the treatment of metabolic disorders related to insulin resistance, leptin resistance, or hyperglycemia. Compounds of the invention include inhibitors of Protein tyrosine phosphatases, in particular Protein tyrosine phosphatase-1B (PTP-1B), that are useful in the treatment of diabetes and other PTP mediated diseases, such as cancer, neurodegenerative diseases and the like. Also disclosed are pharmaceutical compositions comprising compounds of the invention and methods of treating the aforementioned conditions using such compounds.
    Type: Grant
    Filed: November 18, 2005
    Date of Patent: December 16, 2008
    Assignee: The Institute for Pharmaceutical Discovery, LLC
    Inventors: Michael C. Van Zandt, Haiquan Fang, Shaojing Hu, Darren Whitehouse
  • Publication number: 20080287422
    Abstract: The invention encompasses constrained bicyclic and tricyclic CGRP-receptor antagonists, methods for identifying them, pharmaceutical compositions comprising them, and methods for their use in therapy for treatment of migraine and other headaches, neurogenic vasodilation, neurogenic inflammation, thermal injury, circulatory shock, flushing associated with menopause, airway inflammatory diseases, such as asthma and chronic obstructive pulmonary disease (COPD), and other conditions the treatment of which can be effected by the antagonism of CGRP-receptors.
    Type: Application
    Filed: April 18, 2008
    Publication date: November 20, 2008
    Inventors: Prasad V. Chaturvedula, Stephen E. Mercer, Haiquan Fang