Patents by Inventor DongFang Meng

DongFang Meng 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: 11959012
    Abstract: The present disclosure a temperature-resistant and salt-resistant modified nano-graphite dispersed particle gel system with a strong self-growth effect.
    Type: Grant
    Filed: September 14, 2023
    Date of Patent: April 16, 2024
    Assignees: China University of Petroleum (East China), CNOOC Energy Development Co., Ltd. Engineering Branch, Tianjin Branch of China National Offshore Oil Corporation Ltd.
    Inventors: Guang Zhao, Caili Dai, Dongfang Lyu, Jiaming Li, Kequan Meng, Ju Zheng, Yanxu Zhang, Weiyu Chen, Liguo Zhu, Yanhui Zhang
  • Publication number: 20240110089
    Abstract: The present disclosure a temperature-resistant and salt-resistant modified nano-graphite dispersed particle gel system with a strong self-growth effect.
    Type: Application
    Filed: September 14, 2023
    Publication date: April 4, 2024
    Applicants: China University of Petroleum (East China), CNOOC Energy Development Co., Ltd. Engineering Branch, Tianjin Branch of China National Offshore Oil Corporation Ltd.
    Inventors: Guang ZHAO, Caili DAI, Dongfang LYU, Jiaming LI, Kequan MENG, Ju ZHENG, Yanxu ZHANG, Weiyu CHEN, Liguo ZHU, Yanhui ZHANG
  • Publication number: 20220017526
    Abstract: The present invention is directed to amino and alkyl 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: December 6, 2019
    Publication date: January 20, 2022
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Ashok Arasappan, Jason M. Cox, John S. Debenham, Zhe Feng, Zhuyan Guo, Dongfang Meng
  • Publication number: 20220017525
    Abstract: The present invention is directed to cyclobutyl 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: December 6, 2019
    Publication date: January 20, 2022
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Ashok Arasappan, Jason M. Cox, John S. Debenham, Zhuyan Guo, Zhong Lai, Dongfang Meng
  • Patent number: 11028092
    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: October 31, 2019
    Date of Patent: June 8, 2021
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Ashok Arasappan, Jason M. Cox, John S. Debenham, Zahid Hussain, Derun Li, Dongfang Meng, Subharekha Raghavan
  • 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: 10556900
    Abstract: The present invention is directed to bicyclic heteroaryl benzamide compounds of formulas (I): which are tropomyos-in-related kinase (Trk) family protein kinase inhibitors, and hence are useful in the treatment of pain, inflammation, cancer, restenosis, atherosclerosis, psoriasis, thrombosis, a disease, disorder, injury, or malfunction relating to dysmyelination or demyelination or a disease or disorder associated with abnormal activities of nerve growth factor (NGF) receptor TrkA.
    Type: Grant
    Filed: April 4, 2016
    Date of Patent: February 11, 2020
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Craig A. Stump, Yi Heng Chen, Ping Liu, Dongfang Meng, Jane Yang Wu, Chun Sing Li, Zhiqi Qi
  • Patent number: 10472345
    Abstract: The present invention relates to processes for the preparation of N-protected 4-((2S,5R)-5-((benzyloxy)amino)piperidine-2-carboxamido)piperidine-1-carboxylates. Such compounds have application in the preparation of beta-lactamase inhibitors such as 7-oxo-1,6-diazabicyclo[3.2.1]octane-2-carboxamides and esters, in particular, the beta lactamase inhibitor, (2S,5R)-7-oxo-N-piperidin-4-yl-6-(sulfoxy)-1,6-diazabicyclo[3.2.1]octane-2-carboxamide. The present invention also encompasses intermediates useful in the disclosed processes and methods for their preparation.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: November 12, 2019
    Assignees: Merck Sharp & Dohme Corp., Merck Sharp & Dohme Limited
    Inventors: Aaron M. Dumas, Jeremy P. Scott, Michael Shevlin, Zhijian Liu, John Y. L. Chung, Feng Xu, Dongfang Meng
  • Patent number: 10351558
    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 unstable angina, refractory angina, myocardial infarction, transient ischemic attacks, atrial fibrillation, thrombotic stroke, embolic stroke, deep vein thrombosis, disseminated intravascular coagulation, ocular build up of fibrin, and reocclusion or restenosis of recanalized vessels. The compounds are selective Factor IXa inhibitors.
    Type: Grant
    Filed: February 12, 2016
    Date of Patent: July 16, 2019
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Dongfang Meng, Hong Li, Meng Yang, Manuel de Lera Ruiz, Sunita V. Dewnani, Tianying Jian, Dann L. Parker, Jr., Ting Zhang, Louis-Charles Campeau, Harold B. Wood, Jiayi Xu, Richard Berger, Jane Yang Wu, Robert K. Orr, Shawn P. Walsh, Bart Harper
  • Publication number: 20190055216
    Abstract: The present invention relates to processes for the preparation of N-protected 4-((2S,5R)-5-((benzyloxy)amino)piperidine-2-carboxamido)piperidine-1-carboxylates. Such compounds have application in the preparation of beta-lactamase inhibitors such as 7-oxo-1,6-diazabicyclo[3.2.1]octane-2-carboxamides and esters, in particular, the beta lactamase inhibitor, (2S,5R)-7-oxo-N-piperidin-4-yl-6-(sulfoxy)-1,6-diazabicyclo[3.2.1]octane-2-carboxamide. The present invention also encompasses intermediates useful in the disclosed processes and methods for their preparation.
    Type: Application
    Filed: January 30, 2017
    Publication date: February 21, 2019
    Applicants: MERCK SHARP & DOHME CORP., MERCK SHARP & DOHME LIMITED
    Inventors: Aaron M. Dumas, Jeremy P. Scott, Michael Shevlin, Zhijian Liu, John Y. L. Chung, Feng Yu, Dongfang Meng
  • Patent number: 10189819
    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 unstable angina, refractory angina, myocardial infarction, transient ischemic attacks, atrial fibrillation, thrombotic stroke, embolic stroke, deep vein thrombosis, disseminated intravascular coagulation, ocular build up of fibrin, and reocclusion or restenosis of recanalized vessels. The compounds are selective Factor IXa inhibitors.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: January 29, 2019
    Assignees: Merck Sharp & Dohme, Corp., Mochida Paraceuticals Co., Ltd.
    Inventors: Ting Zhang, Yi-Heng Chen, Liangqin Guo, Alan Hruza, Tianying Jian, Bing Li, Dongfang Meng, Dann L. Parker, Edward C. Sherer, Harold B. Wood, Isao Sakurada
  • 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: 10144741
    Abstract: The present invention relates to novel nargenicin related compounds which can inhibit DnaE and have antibacterial, particularly antimycobacterial activity against Mycobacterium tuberculosis. The present invention also relates to method for inhibiting growth of mycobacterial cells as well as a method of treating mycobacterial infections by Mycobacterium tuberculosis by administering an antimycobacterially effective amount of nargenicin or a nargenicin-related compound and/or their pharmaceutically acceptable salts.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: December 4, 2018
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Katherine Young, David B. Olsen, Sheo B. Singh, Jing Su, Robert R. Wilkening, James M. Apgar, Dongfang Meng, Dann Parker, Mihir Mandal, Lihu Yang, Ronald E. Painter, Qun Dang, Takao Suzuki
  • Publication number: 20180186808
    Abstract: The present invention relates to novel nargenicin related compounds which can inhibit DnaE and have antibacterial, particularly antimycobacterial activity against Mycobacterium tuberculosis. The present invention also relates to method for inhibiting growth of mycobacterial cells as well as a method of treating mycobacterial infections by Mycobacterium tuberculosis by administering an antimycobacterially effective amount of nargenicin or a nargenicin-related compound and/or their pharmaceutically acceptable salts.
    Type: Application
    Filed: March 2, 2018
    Publication date: July 5, 2018
    Inventors: Katherine Young, David B. Olsen, Sheo B. Singh, Jing Su, Robert R. Wilkening, James M. Apgar, Dongfang Meng, Dann Parker, Mihir Mandal, Lihu Yang, Ronald E. Painter, Qun Dang, Takao Suzuki
  • Publication number: 20180105518
    Abstract: The present invention is directed to bicyclic heteroaryl benzamide compounds of formulas (I): which are tropomyos-in-related kinase (Trk) family protein kinase inhibitors, and hence are useful in the treatment of pain, inflammation, cancer, restenosis, atherosclerosis, psoriasis, thrombosis, a disease, disorder, injury, or malfunction relating to dysmyelination or demyelination or a disease or disorder associated with abnormal activities of nerve growth factor (NGF) receptor TrkA.
    Type: Application
    Filed: April 4, 2016
    Publication date: April 19, 2018
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Craig A. Stump, Yi Heng Chen, Ping Liu, Dongfang Meng, Jane Yang Wu, Chun Sing Li, Zhiqi Qi
  • Patent number: 9944654
    Abstract: The present invention relates to novel nargenicin related compounds which can inhibit DnaE and have antibacterial, particularly antimycobacterial activity against Mycobacterium tuberculosis. The present invention also relates to method for inhibiting growth of mycobacterial cells as well as a method of treating mycobacterial infections by Mycobacterium tuberculosis by administering an antimycobacterially effective amount of nargenicin or a nargenicin-related compound and/or their pharmaceutically acceptable salts.
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: April 17, 2018
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Katherine Young, David B. Olsen, Sheo B. Singh, Jing Su, Robert R. Wilkening, James M. Apgar, Dongfang Meng, Dann Parker, Mihir Mandal, Lihu Yang, Ronald E. Painter, Qun Dang, Takao Suzuki
  • Publication number: 20180030036
    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 unstable angina, refractory angina, myocardial infarction, transient ischemic attacks, atrial fibrillation, thrombotic stroke, embolic stroke, deep vein thrombosis, disseminated intravascular coagulation, ocular build up of fibrin, and reocclusion or restenosis of recanalized vessels. The compounds are selective Factor IXa inhibitors.
    Type: Application
    Filed: December 7, 2015
    Publication date: February 1, 2018
    Applicants: MERCK SHARP & DOHME CORP., MOCHIDA PHARMACEUTICAL CO., LTD
    Inventors: Ting Zhang, Yi-Heng Chen, Liangqin Guo, Alan Hruza, Tianying Jian, Bing Li, Dongfang Meng, Dann L. Parker, Edward C. Sherer, Harold B. Wood, Isao Sakurada
  • Publication number: 20180022747
    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 unstable angina, refractory angina, myocardial infarction, transient ischemic attacks, atrial fibrillation, thrombotic stroke, embolic stroke, deep vein thrombosis, disseminated intravascular coagulation, ocular build up of fibrin, and reocclusion or restenosis of recanalized vessels. The compounds are selective Factor IXa inhibitors.
    Type: Application
    Filed: February 12, 2016
    Publication date: January 25, 2018
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Dongfang Meng, Hong Li, Meng Yang, Manuel de Lera Ruiz, Sunita V. Dewnani, Tianying Jian, Dann L. Parker, Jr., Ting Zhang, Louis-Charles Campeau, Harold B. Wood, Jiayi Xu, Richard Berger, Jane Yang Wu, Robert K. Orr, Shawn P. Walsh, Bart Harper
  • Patent number: 9815846
    Abstract: The present invention is directed to six membered heteroaryl benzamide compounds of formula (I), which are tropomyosin-related kinase (Trk) family protein kinase inhibitors, and hence are useful in the treatment of pain, inflammation, cancer, restenosis, atherosclerosis, psoriasis, thrombosis, a disease, disorder, injury, or malfunction relating to dysmyelination or demyelination or a disease or disorder associated with abnormal activities of nerve growth factor (NGF) receptor TrkA.
    Type: Grant
    Filed: March 23, 2015
    Date of Patent: November 14, 2017
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Helen Mitchell, Mark E. Fraley, Andrew J. Cooke, Craig A. Stump, Yi-Heng Chen, Xu-Fang Zhang, Casey C. McComas, Kathy Schirripa, Melody McWherter, Swati P. Mercer, Kerim Babaoglu, Dongfang Meng, Jane Wu, Ping Liu, Harold B. Wood, Jianming Bao, Chun Sing Li, Qinghua Mao, Zhiqi Qi