Patents by Inventor Jiafang He

Jiafang He 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: 10934294
    Abstract: The present invention is directed to pyrazolopyrimidine compounds of the general structural formula I: which may be useful as therapeutic agents for the treatment of disorders associated with phosphodiesterase 9 (PDE9). The present invention also relates to the use of such compounds for treating cardiovascular and cerebrovascular diseases, such as hypertension, chronic kidney disease and heart failure, and neurological and psychiatric disorders, such as schizophrenia, psychosis or Huntington's disease, and those associated with striatal hypofunction or basal ganglia dysfunction.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: March 2, 2021
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Ashok Arasappan, Jason M. Cox, John S. Debenham, Zhuyan Guo, Jiafang He, Zahid Hussain, Zhong Lai, Derun Li, Dongfang Meng, Subharekha Raghavan, Sriram Tyagarajan
  • Publication number: 20200140445
    Abstract: The present invention is directed to pyrazolopyrimidine compounds of the general structural formula I: which may be useful as therapeutic agents for the treatment of disorders associated with phosphodiesterase 9 (PDE9). The present invention also relates to the use of such compounds for treating cardiovascular and cerebrovascular diseases, such as hypertension, chronic kidney disease and heart failure, and neurological and psychiatric disorders, such as schizophrenia, psychosis or Huntington's disease, and those associated with striatal hypofunction or basal ganglia dysfunction.
    Type: Application
    Filed: October 31, 2019
    Publication date: May 7, 2020
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Ashok ARASAPPAN, Jason M. COX, John S. DEBENHAM, Zhuyan GUO, Jiafang HE, Zahid HUSSAIN, Zhong LAI, Derun LI, Dongfang MENG, Subharekha RAGHAVAN, Sriram TYAGARAJAN
  • Patent number: 10239863
    Abstract: The present invention provides a compound of Formula (I) and pharmaceutical compositions comprising one or more said compounds, and methods for using said compounds for treating or preventing thromboses, embolisms, hypercoagulability or fibrotic changes. The compounds are selective Factor XIa inhibitors or dual inhibitors of Factor XIa and plasma kallikrein.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: March 26, 2019
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Ning Shao, Scott D. Edmondson, Santhosh Neelamkavil, Zhuyan Guo, Eric Mertz, Yi Zang, Jiafang He
  • Publication number: 20180354955
    Abstract: The present invention is directed to pyrazolopyrimidine compounds which may be useful as therapeutic agents for the treatment of disorders associated with phosphodiesterase 9 (PDE9). The present invention also relates to the use of such compounds for treating cardiovascular and cerebrovascular diseases, such as hypertension, chronic kidney disease and heart failure, and neurological and psychiatric disorders, such as schizophrenia, psychosis or Huntington's disease, and those associated with striatal hypofunction or basal ganglia dysfunction.
    Type: Application
    Filed: June 6, 2018
    Publication date: December 13, 2018
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Ashok ARASAPPAN, Jason M. COX, John S. DEBENHAM, Zhuyan GUO, Jiafang HE, Zahid HUSSAIN, Zhong LAI, Derun LI, Dongfang MENG, Subharekha RAGHAVAN, Sriram TYAGARAJAN
  • Patent number: 10081617
    Abstract: The present invention provides a compound of Formula (I); and pharmaceutical compositions comprising one or more said compounds, and methods for using said compounds for treating or preventing thromboses, embolisms, hypercoagulability or fibrotic changes. The compounds are selective Factor XIa inhibitors or dual inhibitors of Factor XIa and plasma kallikrein.
    Type: Grant
    Filed: April 11, 2016
    Date of Patent: September 25, 2018
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Eric Mertz, Scott D. Edmondson, Sung-Sau So, Wanying Sun, Weiguo Liu, Santhosh F. Neelamkavil, Ying-Duo Gao, Alan Hruza, Yi Zang, Amjad Ali, Rudrajit Mal, Jiafang He, Rongze Kuang, Heping Wu, Anthony K. Ogawa, Andrew F. Nolting
  • Publication number: 20180179180
    Abstract: The present invention provides a compound of Formula (I) and pharmaceutical compositions comprising one or more said compounds, and methods for using said compounds for treating or preventing thromboses, embolisms, hypercoagulability or fibrotic changes. The compounds are selective Factor XIa inhibitors or dual inhibitors of Factor XIa and plasma kallikrein.
    Type: Application
    Filed: October 20, 2017
    Publication date: June 28, 2018
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Ning Shao, Scott D. Edmondson, Santhosh Neelamkavil, Zhuyan Guo, Eric Mertz, Yi Zang, Jiafang He
  • Patent number: 9975874
    Abstract: The present invention provides a compound of Formula (I) (Formula (I)) and pharmaceutical compositions comprising one or more said compounds, and methods for using said compounds for treating or preventing thromboses, embolisms, hypercoagulability or fibrotic changes. The compounds are selective Factor XIa inhibitors or dual inhibitors of Factor XIa and plasma kallikrein.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: May 22, 2018
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Eric Mertz, Scott D. Edmondson, Alan Hruza, Jiafang He, Sung-Sau So, Amjad Ali, Ying-Duo Gao
  • Publication number: 20180079743
    Abstract: The present invention provides a compound of Formula (I); and pharmaceutical compositions comprising one or more said compounds, and methods for using said compounds for treating or preventing thromboses, embolisms, hypercoagulability or fibrotic changes. The compounds are selective Factor XIa inhibitors or dual inhibitors of Factor XIa and plasma kallikrein.
    Type: Application
    Filed: April 11, 2016
    Publication date: March 22, 2018
    Applicant: MERCK SHARP & DOHME CORP.
    Inventors: Eric Mertz, Scott D. Edmondson, Sung-Sau So, Wanying Sun, Weiguo Liu, Santhosh F. Neelamkavil, Ying-Duo Gao, Alan Hruza, Yi Zang, Amjad Ali, Rudrajit Mal, Jiafang He, Rongze Kuang, Heping Wu, Anthony K. Ogawa, Andrew F. Nolting
  • Patent number: 9809545
    Abstract: The present invention provides a compound of Formula (I) and pharmaceutical compositions comprising one or more said compounds, and methods for using said compounds for treating or preventing thromboses, embolisms, hypercoaguability or fibrotic changes.
    Type: Grant
    Filed: March 21, 2014
    Date of Patent: November 7, 2017
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Anthony Ogawa, Scott Edmondson, Mark Erion, Santhosh Neelamkavil, Zhuyan Guo, Rudrajit Mal, Jiafang He, Weiguo Liu, Ellen K. Vande Bunte
  • Publication number: 20170240524
    Abstract: The present invention provides a compound of Formula (I) (Formula(I)) and pharmaceutical compositions comprising one or more said compounds, and methods for using said compounds for treating or preventing thromboses, embolisms, hypercoagulability or fibrotic changes. The compounds are selective Factor XIa inhibitors or dual inhibitors of Factor XIa and plasma kallikrein.
    Type: Application
    Filed: July 23, 2015
    Publication date: August 24, 2017
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Eric Mertz, Scott D. Edmondson, Alan Hruza, Jiafang He, Sung-Sau So, Amjad Ali, Ying-Duo Gao
  • Publication number: 20160257668
    Abstract: The present invention provides a compound of Formula (I) and pharmaceutical compositions comprising one or more said compounds, and methods for using said compounds for treating or preventing thromboses, embolisms, hypercoagulability or fibrotic changes. The compounds are selective Factor XIa inhibitors or dual inhibitors of Factor XIa and plasma kallikrein.
    Type: Application
    Filed: October 6, 2014
    Publication date: September 8, 2016
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Ning SHAO, Scott D. EDMONDSON, Santhosh NEELAMKAVIL, Zhuyan GUO, Eric MERTZ, Yi ZANG, Jiafang HE
  • Publication number: 20160229839
    Abstract: The present invention provides a compound of Formula (I) and pharmaceutical compositions comprising one or more said compounds, and methods for using said compounds for treating or preventing thromboses, embolisms, hypercoagulability or fibrotic changes. The compounds are selective Factor XIa inhibitors or dual inhibitors of Factor XIa and plasma kallikrein.
    Type: Application
    Filed: September 23, 2014
    Publication date: August 11, 2016
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Eric Mertz, Scott D. Edmondson, Ning Shao, Santhosh Neelamkavil, Corey Poker, Zahid Hussain, Zhuyan Guo, Nancy Jo Kevin, Yi Zang, Jiafang He
  • Publication number: 20160046581
    Abstract: The present invention provides a compound of Formula (I) and pharmaceutical compositions comprising one or more said compounds, and methods for using said compounds for treating or preventing thromboses, embolisms, hypercoagulability or fibrotic changes.
    Type: Application
    Filed: March 21, 2014
    Publication date: February 18, 2016
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Anthony Ogawa, Scott Edmondson, Mark Erion, Santhosh Neelamkavil, Zhuyan Guo, Rudrajit Mal, Jiafang He, Weiguo Liu, Ellen K. Vande Bunte
  • Patent number: 8759539
    Abstract: Described herein are substituted bicyclic amines. In particular, described herein are substituted bicyclic amines that are effective as antagonists of SSTR5 and useful for the treatment, control or prevention of disorders responsive to antagonism of SSTR5, such as type 2 diabetes, insulin resistance, lipid disorders, obesity, atherosclerosis, metabolic syndrome, depression, and anxiety.
    Type: Grant
    Filed: November 11, 2009
    Date of Patent: June 24, 2014
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Jiafang He, John Bawiec, Weiguo Liu, Gui-Bai Liang, Lihu Yang
  • Publication number: 20110207737
    Abstract: Described herein are substituted bicyclic amines. In particular, described herein are substituted bicyclic amines that are effective as antagonists of SSTR5 and useful for the treatment, control or prevention of disorders responsive to antagonism of SSTR5, such as type 2 diabetes, insulin resistance, lipid disorders, obesity, atherosclerosis, metabolic syndrome, depression, and anxiety.
    Type: Application
    Filed: November 11, 2009
    Publication date: August 25, 2011
    Inventors: Jiafang He, John Bawiec, Weiguo Liu, Gui-Bai Liang, Lihu Yang
  • Patent number: 7442808
    Abstract: Tricyclic compounds containing a cyclopropyl carboxylic acid or carboxylic acid derivative (e.g. amide) fused to a bicyclic ring, including pharmaceutically acceptable salts and prodrugs thereof, are agonists of G-protein coupled receptor 40 (GPR40) and are useful as therapeutic compounds, particularly in the treatment of Type 2 diabetes mellitus, and of conditions that are often associated with this disease, including obesity and lipid disorders, such as mixed or diabetic dyslipidemia, hyperlipidemia, hypercholesterolemia, and hypertriglyceridemia.
    Type: Grant
    Filed: May 11, 2007
    Date of Patent: October 28, 2008
    Assignee: Merck & Co., Inc.
    Inventors: Min Ge, Jiafang He, Fiona Wai Yu Lau, Gui-Bai Liang, Songnian Lin, Weiguo Liu, Shawn P. Walsh, Lihu Yang
  • Publication number: 20070265332
    Abstract: Tricyclic compounds containing a cyclopropyl carboxylic acid or carboxylic acid derivative (e.g. amide) fused to a bicyclic ring, including pharmaceutically acceptable salts and prodrugs thereof, are agonists of G-protein coupled receptor 40 (GPR40) and are useful as therapeutic compounds, particularly in the treatment of Type 2 diabetes mellitus, and of conditions that are often associated with this disease, including obesity and lipid disorders, such as mixed or diabetic dyslipidemia, hyperlipidemia, hypercholesterolemia, and hypertriglyceridemia.
    Type: Application
    Filed: May 11, 2007
    Publication date: November 15, 2007
    Inventors: Min Ge, Jiafang He, Fiona Wai Yu Lau, Gui-Bai Liang, Songnian Lin, Weiguo Liu, Shawn P. Walsh, Lihu Yang