Patents by Inventor Yunfeng Bai

Yunfeng Bai 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).

  • Metallo-?-lactamase inhibitors
    Patent number: 10227331
    Abstract: The present invention relates to metallo-?-lactamase inhibitor compounds of Formula I: (I) and pharmaceutically acceptable salts thereof, wherein Z, RA, X1, X2 and RB are as defined herein. The present invention also relates to compositions which comprise a metallo-?-lactamase inhibitor compound of the invention or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier, optionally in combination with a beta lactam antibiotic and/or a beta-lactamase inhibitor. The invention further relates to methods for treating a bacterial infection comprising administering to a patient a therapeutically effective amount of a compound of the invention, in combination with a therapeutically effective amount of one or more ?-lactam antibiotics and optionally in combination with one or more beta-lactamase inhibitor compounds. The compounds of the invention are useful in the methods described herein for overcoming antibiotic resistance.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: March 12, 2019
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Frank Bennett, Jinlong Jiang, Alexander Pasternak, Shuzhi Dong, Xin Gu, Jack D. Scott, Haiqun Tang, Zhiqiang Zhao, Yuhua Huang, David Hunter, Dexi Yang, Katherine Young, Li Xiao, Zhibo Zhang, Jianmin Fu, Yunfeng Bai, Zhixiang Zheng, Xu Zhang
  • Ethyl N-boc piperidinyl pyrazolo pyridones as Janus kinase inhibitors
    Patent number: 10072025
    Abstract: The instant invention provides compounds of Formula (I) which are JAK inhibitors, and as such are useful for the treatment of JAK-mediated diseases such as rheumatoid arthritis, asthma, COPD and cancer. The present invention provides novel compounds which are inhibitors of JAKs. The invention also provides a method for the treatment and prevention of JAK-mediated diseases and disorders using the novel compounds, as well as pharmaceutical compositions containing the compounds.
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: September 11, 2018
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Mark E. Scott, David Guerin, Danielle Molinari, Sam Kattar, Peter Fuller, Christopher Dinsmore, Norman Kong, Yunfeng Bai, Jianmin Fu, Yumei Liu, Zhixiang Zheng
  • Acyclic cyanoethylpyrazolo pyridones as janus kinase inhibitors
    Patent number: 10059705
    Abstract: The instant invention provides compounds of formula I which are JAK inhibitors, and as such are useful for the treatment of JAK-mediated diseases such as rheumatoid arthritis, asthma, COPD and cancer.
    Type: Grant
    Filed: March 19, 2014
    Date of Patent: August 28, 2018
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Christopher Dinsmore, Peter Fuller, David Guerin, Jason David Katz, Christopher F. Thompson, Danielle Falcone, Wei Deng, Luis Torres, Hongbo Zeng, Yunfeng Bai, Jianmin Fu, Norman Kong, Yumei Liu, Zhixiang Zheng, Mark E. Scott
  • METALLO-BETA-LACTAMASE INHIBITORS
    Publication number: 20180179190
    Abstract: The present invention relates to metallo-?-lactamase inhibitor compounds of Formula I: (I) and pharmaceutically acceptable salts thereof, wherein Z, RA, X1, X2 and RB are as defined herein. The present invention also relates to compositions which comprise a metallo-?-lactamase inhibitor compound of the invention or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier, optionally in combination with a beta lactam antibiotic and/or a beta-lactamase inhibitor. The invention further relates to methods for treating a bacterial infection comprising administering to a patient a therapeutically effective amount of a compound of the invention, in combination with a therapeutically effective amount of one or more ?-lactam antibiotics and optionally in combination with one or more beta-lactamase inhibitor compounds. The compounds of the invention are useful in the methods described herein for overcoming antibiotic resistance.
    Type: Application
    Filed: June 24, 2016
    Publication date: June 28, 2018
    Applicant: Marck Sharp & Dohme Corp.
    Inventors: Frank Bennett, Jinlong Jiang, Alexander Pasternak, Shuzhi Dong, Xin Gu, Jack D. Scott, Haiqun Tang, Zhiqiang Zhao, Yuhua Huang, David Hunter, Dexi Yang, Katherine Young, Li Xiao, Zhibo Zhang, Jianmin Fu, Yunfeng Bai, Zhixiang Zheng, Xu Zhang
  • Geminally substituted cyanoethylpyrazolo pyridones as Janus kinase inhibitors
    Patent number: 9957264
    Abstract: The instant invention provides compounds of Formula (I) which are JAK inhibitors, and as such are useful for the treatment of JAK-mediated diseases such as rheumatoid arthritis, asthma, COPD and cancer.
    Type: Grant
    Filed: March 19, 2014
    Date of Patent: May 1, 2018
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Matthew Lloyd Childers, Peter Fuller, David Guerin, Jason David Katz, Qinglin Pu, Mark E. Scott, Christopher F. Thompson, Michelle Martinez, Danielle Falcone, Luis Torres, Yongqi Deng, Ravi Kurukulasuriya, Hongbo Zeng, Yunfeng Bai, Norman Kong, Yumei Liu, Zhixiang Zheng
  • N-(2-cyano heterocyclyl) pyrazolo pyridones as janus kinase inhibitors
    Patent number: 9957265
    Abstract: Provided are compounds of Formula I, a JAK inhibitor, and use thereof for the treatment of JAK-mediated diseases by the application.
    Type: Grant
    Filed: March 19, 2014
    Date of Patent: May 1, 2018
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Christopher Dinsmore, Peter Fuller, David Guerin, Christopher F. Thompson, Qinglin Pu, Mark E. Scott, Jason David Katz, Ravi Kurukulasuriya, Joshua T. Close, Danielle Falcone, Jason Brubaker, Hongbo Zeng, Yunfeng Bai, Jianmin Fu, Norman Kong, Yumei Liu, Zhixiang Zheng
  • ETHYL N-BOC PIPERIDINYL PYRAZOLO PYRIDONES AS JANUS KINASE INHIBITORS
    Publication number: 20170240567
    Abstract: The instant invention provides compounds of Formula (I) which are JAK inhibitors, and as such are useful for the treatment of JAK-mediated diseases such as rheumatoid arthritis, asthma, COPD and cancer. The present invention provides novel compounds which are inhibitors of JAKs. The invention also provides a method for the treatment and prevention of JAK-mediated diseases and disorders using the novel compounds, as well as pharmaceutical compositions containing the compounds.
    Type: Application
    Filed: October 21, 2015
    Publication date: August 24, 2017
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Mark E. Scott, David Guerin, Danielle Molinari, Sam Kattar, Peter Fuller, Christopher Dinsmore, Normon Kong, Yunfeng Bai, Jianmin FU, Yumei Liu, Zhixiang Zheng
  • Cycloalkyl nitrile pyrazolo pyridones as Janus kinase inhibitors
    Patent number: 9725445
    Abstract: Compounds of formula I are provided, which are JAK inhibitors and are useful for the treatment of JAK-mediated diseases such as rheumatoid arthritis, asthma, COPD and cancer.
    Type: Grant
    Filed: March 19, 2014
    Date of Patent: August 8, 2017
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Matthew Lloyd Childers, Christopher Dinsmore, Peter Fuller, David Guerin, Jason David Katz, Qinglin Pu, Mark E. Scott, Christopher F. Thompson, Hongjun Zhang, Danielle Falcone, Luis Torres, Jason Brubaker, Hongbo Zeng, Jiaqiang Cai, Xiaoxing Du, Chonggang Wang, Yunfeng Bai, Norman Kong, Yumei Liu, Zhixiang Zheng
  • CYCLOALKYL NITRILE PYRAZOLO PYRIDONES AS JANUS KINASE INHIBITORS
    Publication number: 20160280704
    Abstract: Compounds of formula I are provided, which are JAK inhibitors and are useful for the treatment of JAK-mediated diseases such as rheumatoid arthritis, asthma, COPD and cancer.
    Type: Application
    Filed: March 19, 2014
    Publication date: September 29, 2016
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Matthew Lloyd Childers, Christopher Dinsmore, Peter Fuller, David Guerin, Jason David Katz, Qinglin Pu, Mark E. Scott, Christopher F. Thompson, Hongjun Zhang, Danielle Falcone, Luis Torres, Jason Brubaker, Hongbo Zeng, Jiaqiang Cai, Xiaoxing Du, Chonggang Wang, Yunfeng Bai, Norman Kong, Yumei Liu, Zhixiang Zheng
  • N-(2-CYANO HETEROCYCLYL) PYRAZOLO PYRIDONES AS JANUS KINASE INHIBITORS
    Publication number: 20160272633
    Abstract: Provided are compounds of Formula I, a JAK inhibitor, and use thereof for the treatment of JAK-mediated diseases by the application.
    Type: Application
    Filed: March 19, 2014
    Publication date: September 22, 2016
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Christopher Dinsmore, Peter Fuller, David Guerin, Christopher F. Thompson, Qinglin Pu, Mark E. Scott, Jason David Katz, Ravi Kuruklasuriya, Joshua T. Close, Danielle Falcone, Jason Brubaker, Hongbo Zeng, Yunfeng Bai, Jianmin Fu, Norman Kong, Yumei Liu, Zhixiang Zheng
  • GEMINALLY SUBSTITUTED CYANOETHYLPYRAZOLO PYRIDONES AS JANUS KINASE INHIBITORS
    Publication number: 20160272632
    Abstract: The instant invention provides compounds of Formula (I) which are JAK inhibitors, and as such are useful for the treatment of JAK-mediated diseases such as rheumatoid arthritis, asthma, COPD and cancer.
    Type: Application
    Filed: March 19, 2014
    Publication date: September 22, 2016
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Matthew Lloyd Childers, Peter Fuller, David Guerin, Jason David Katz, Qinglin Pu, Mark E. Scott, Christopher F. Thompson, Michelle Martinez, Danielle Falcone, Luis Torres, Yongqi Deng, Ravi Kurukulasuriya, Hongbo Zeng, Yunfeng Bai, Norman Kong, Yumei Liu, Zhixiang Zheng
  • ACYCLIC CYANOETHYLPYRAZOLO PYRIDONES AS JANUS KINASE INHIBITORS
    Publication number: 20160272634
    Abstract: The instant invention provides compounds of formula I which are JAK inhibitors, and as such are useful for the treatment of JAK-mediated diseases such as rheumatoid arthritis, asthma, COPD and cancer.
    Type: Application
    Filed: March 19, 2014
    Publication date: September 22, 2016
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Christopher Dinsmore, Peter Fuller, David Guerin, Jason David Katz, Christopher F. Thompson, Danielle Falcone, Wei Deng, Luis Torres, Hongbo Zeng, Yunfeng Bai, Jianmin Fu, Norman Kong, Yumei Liu, Zhixiang Zheng, Mark E. Scott