Patents by Inventor Libo Xu

Libo Xu 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: 10624912
    Abstract: The present invention relates to Spirocyclic Pyridotriazine Derivatives of Formula (I) and pharmaceutically acceptable salts thereof, wherein A, B, X, Y, R1, R2 and R10 are as defined herein. The present invention also relates to compositions comprising at least one Spirocyclic Pyridotriazine Derivative, and methods of using the Spirocyclic Pyridotriazine Derivatives for treating or preventing HIV infection in a subject.
    Type: Grant
    Filed: November 11, 2016
    Date of Patent: April 21, 2020
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Thomas H. Graham, Tao Yu, Sherman T. Waddell, John A. McCauley, Andrew Stamford, Wengsheng Liu, Jay A. Grobler, Libo Xu
  • Patent number: 10548910
    Abstract: The present invention relates to Amido-Substituted Pyridotriazine Derivatives of Formula (I): (I) and pharmaceutically acceptable salts thereof, wherein B, X, Y, R, R1, R2 and R10 are as defined herein. The present invention also relates to compositions comprising at least one Amido-Substituted Pyridotriazine Derivative, and methods of using the Amido-Substituted Pyridotriazine Derivatives for treating or preventing HIV infection in a subject.
    Type: Grant
    Filed: November 11, 2016
    Date of Patent: February 4, 2020
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Thomas H. Graham, Tao Yu, Sherman T. Waddell, John A. McCauley, Andrew Stamford, Wensheng Liu, Jay A. Grobler, Libo Xu
  • Patent number: 10245264
    Abstract: A compound of Formula I or a pharmaceutically acceptable salt thereof, are capable of modulating the body's production of cyclic guanosine monophosphate (“cGMP”) and are generally suitable for the therapy and prophylaxis of diseases which are associated with a disturbed cGMP balance. The invention furthermore relates to processes for preparing compounds of Formula I, or pharmaceutically acceptable salt thereofs, for their use in the therapy and prophylaxis of the abovementioned diseases and for preparing pharmaceuticals for this purpose, and to pharmaceutical compositions which comprise compounds of Formula I or pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: April 2, 2019
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Joie Garfunkle, Olga Ornoski, Dann L. Parker, Jr., Subharekha Raghavan, Libo Xu
  • Patent number: 10213429
    Abstract: A compound of Formula I or a pharmaceutically acceptable salt thereof, are capable of modulating the body's production of cyclic guanosine monophosphate (“cGMP”) and are generally suitable for the therapy and prophylaxis of diseases which are associated with a disturbed cGMP balance. The invention furthermore relates to processes for preparing compounds of Formula I, or a pharmaceutically acceptable salt thereof, for their use in the therapy and prophylaxis of the abovementioned diseases and for preparing pharmaceuticals for this purpose, and to pharmaceutical compositions which comprise compounds of Formula I or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: February 26, 2019
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Joie Garfunkle, Olga Ornoski, Dann L. Parker, Jr., Subharekha Raghavan, Libo Xu, Zhiqiang Yang
  • Publication number: 20180325927
    Abstract: The present invention relates to Amido-Substituted Pyridotriazine Derivatives of Formula (I): (I) and pharmaceutically acceptable salts thereof, wherein B, X, Y, R, R1, R2 and R10 are as defined herein. The present invention also relates to compositions comprising at least one Amido-Substituted Pyridotriazine Derivative, and methods of using the Amido-Substituted Pyridotriazine Derivatives for treating or preventing HIV infection in a subject.
    Type: Application
    Filed: November 11, 2016
    Publication date: November 15, 2018
    Applicant: MERCK SHARP & DOHME CORP.
    Inventors: Thomas H. Graham, Tao Yu, Sherman T. Waddell, John A. McCauley, Andrew Stamford, Wengsheng Liu, Jay A. Grobler, Libo Xu
  • Publication number: 20180325926
    Abstract: The present invention relates to Spirocyclic Pyridotriazine Derivatives of Formula (I) and pharmaceutically acceptable salts thereof, wherein A, B, X, Y, R1, R2 and R16 are as defined herein. The present invention also relates to compositions comprising at least one Spirocyclic Pyridotriazine Derivative, and methods of using the Spirocyclic Pyridotriazine Derivatives for treating or preventing HIV infection in a subject.
    Type: Application
    Filed: November 11, 2016
    Publication date: November 15, 2018
    Applicant: MERCK SHARP & DOHME CORP.
    Inventors: Thomas H. Graham, Tao Yu, Sherman T. Waddell, John A. McCauley, Andrew Stamford, Wengsheng Liu, Jay A. Grobler, Libo Xu
  • Patent number: 10065945
    Abstract: The compounds of Formula I act as MGAT2 inhibitors and can be useful in preventing, treating or acting as a remedial agent for hyperlipidemia, diabetes mellitus and obesity.
    Type: Grant
    Filed: January 20, 2015
    Date of Patent: September 4, 2018
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Richard Berger, Timothy A. Blizzard, Brian T. Campbell, Helen Y. Chen, John S. Debenham, Sunita V. Dewnani, Byron Dubois, Candido Gude, Zack Zhiqiang Guo, Bart Harper, Zhiyong Hu, Songnian Lin, Ping Liu, Ming Wang, Feroze Ujjainwalla, Jiayi Xu, Libo Xu, Rui Zhang
  • Publication number: 20180193343
    Abstract: A compound of Formula I or a pharmaceutically acceptable salt thereof, are capable of modulating the body's production of cyclic guanosine monophosphate (“cGMP”) and are generally suitable for the therapy and prophylaxis of diseases which are associated with a disturbed cGMP balance. The invention furthermore relates to processes for preparing compounds of Formula I, or a pharmaceutically acceptable salt thereof, for their use in the therapy and prophylaxis of the abovementioned diseases and for preparing pharmaceuticals for this purpose, and to pharmaceutical compositions which comprise compounds of Formula I or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: May 23, 2016
    Publication date: July 12, 2018
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Joie Garfunkle, Olga Ornoski, Dann L. Parker, JR., Subharekha Raghavan, Libo Xu, Zhiqiang Yang
  • Publication number: 20180147208
    Abstract: A compound of Formula I or a pharmaceutically acceptable salt thereof, are capable of modulating the body's production of cyclic guanosine monophosphate (“cGMP”) and are generally suitable for the therapy and prophylaxis of diseases which are associated with a disturbed cGMP balance. The invention furthermore relates to processes for preparing compounds of Formula I, or pharmaceutically acceptable salt thereofs, for their use in the therapy and prophylaxis of the abovementioned diseases and for preparing pharmaceuticals for this purpose, and to pharmaceutical compositions which comprise compounds of Formula I or pharmaceutically acceptable salts thereof.
    Type: Application
    Filed: May 23, 2016
    Publication date: May 31, 2018
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Joie GARFUNKLE, Olga ORNOSKI, Dann L. PARKER, JR., Subharekha RAGHAVAN, Libo XU
  • Publication number: 20180009796
    Abstract: The compounds of Formula I act as MGAT2 inhibitors and can be useful in preventing, treating or acting as a remedial agent for hyperlipidemia, diabetes mellitus and obesity.
    Type: Application
    Filed: January 20, 2015
    Publication date: January 11, 2018
    Inventors: Richard Berger, Timothy A. Blizzard, Brian T. Campbell, Helen Y. Chen, John S. Debenham, Sunita V. Dewnani, Byron Dubois, Candido Gude, Zack Zhiqiang Guo, Bart Harper, Zhiyong Hu, Songnian Lin, Ping Liu, Ming Wang, Feroze Ujjainwalla, Jiayi Xu, Libo Xu, Rui Zhang
  • Patent number: 9796733
    Abstract: A compound of Formula II or a pharmaceutically acceptable salt thereof, are capable of modulating the body's production of cyclic guanosine monophosphate (“cGMP”) and are generally suitable for the therapy and prophylaxis of diseases which are associated with a disturbed cGMP balance. The invention furthermore relates to processes for preparing compounds of Formula II, or a pharmaceutically acceptable salt thereof, for their use in the therapy and prophylaxis of the abovementioned diseases and for preparing pharmaceuticals for this purpose, and to pharmaceutical preparations which comprise compounds of Formula II or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: October 24, 2017
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Brian T. Campbell, Guizhen Dong, Joie Garfunkle, Alexander Kim, Olga Ornoski, Dann L. Parker, Jr., Subharekha Raghavan, Libo Xu, Zhiquang Yang
  • Patent number: 9649294
    Abstract: Glucagon receptor antagonist compounds are disclosed which are of long duration of action. The compounds are useful for treating type 2 diabetes and related conditions. Pharmaceutical compositions and methods of treatment are also included.
    Type: Grant
    Filed: October 30, 2014
    Date of Patent: May 16, 2017
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Songnian Lin, Libo Xu, Emma R. Parmee, Xibin Liao
  • Publication number: 20170107236
    Abstract: A compound of Formula II or a pharmaceutically acceptable salt thereof, are capable of monophosphate (“cGMP”) and are generally suitable for the therapy and prophylaxis of diseases which are associated with a disturbed cGMP balance. The invention furthermore relates to processes for preparing compounds of Formula II, or a pharmaceutically acceptable salt thereof, for their use in the therapy and prophylaxis of the abovementioned diseases and for preparing pharmaceuticals for this purpose, and to pharmaceutical preparations which comprise compounds of Formula II or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: May 29, 2015
    Publication date: April 20, 2017
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Brian T. Campbell, Guizhen Dong, Joie Garfunkle, Alexander Kim, Olga Ornoski, Dann L. Parker, JR., Subharekha Raghavan, Libo Xu, Zhiquang Yang
  • Patent number: 9453038
    Abstract: Novel pyridine-2-carboxamide derivatives of formula I: and pharmaceutically acceptable salts thereof are disclosed as useful for treating or preventing type 2 diabetes and similar conditions. The compounds are effective as glucokinase activating agents. Pharmaceutical compositions and methods of treatment are also included.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: September 27, 2016
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Songnian Lin, Rui Zhang, Brian Campbell, Sunita V. Dewnani, Jiayi Xu, Libo Xu, Emma R. Parmee, Roman Kats-Kagan
  • Publication number: 20160250184
    Abstract: Glucagon receptor antagonist compounds are disclosed which are of long duration of action. The compounds are useful for treating type 2 diabetes and related conditions. Pharmaceutical compositions and methods of treatment are also included.
    Type: Application
    Filed: October 30, 2014
    Publication date: September 1, 2016
    Applicant: MERCK SHARP & DOHME CORP.
    Inventors: SONGNIAN LIN, Libo Xu, Emma R. Parmee, Xibin Liao
  • Publication number: 20150336991
    Abstract: Novel pyridine-2-carboxamide derivatives of formula I: and pharmaceutically acceptable salts thereof are disclosed as useful for treating or preventing type 2 diabetes and similar conditions. The compounds are effective as glucokinase activating agents. Pharmaceutical compositions and methods of treatment are also included.
    Type: Application
    Filed: December 12, 2013
    Publication date: November 26, 2015
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Songnian Lin, Rui Zhang, Brian Campbell, Sunita V. Dewnani, Jiayi Xu, Libo Xu, Emma R. Parmee, Roman Kats-Kagan
  • Patent number: 8436015
    Abstract: Glucagon receptor antagonist compounds of formula I are disclosed: The compounds are useful for treating type 2 diabetes and related conditions. Pharmaceutical compositions and methods of treatment are also included.
    Type: Grant
    Filed: September 10, 2009
    Date of Patent: May 7, 2013
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Songnian Lin, Christian P. Stevenson, Emma R. Parmee, Libo Xu, Xibin Liao, Edward Metzger, Rui Liang, Fengqi Zhang, John E. Stelmach
  • Patent number: 8318667
    Abstract: Glucagon receptor antagonist compounds are disclosed. The compounds are useful for treating type (2) diabetes and related conditions. Pharmaceutical compositions and methods of treatment are also included.
    Type: Grant
    Filed: February 15, 2010
    Date of Patent: November 27, 2012
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Songnian Lin, Libo Xu, Edward Metzger, Emma R. Parmee, Sheryl D. Debenham
  • Publication number: 20110172256
    Abstract: Glucagon receptor antagonist compounds are disclosed. The compounds are useful for treating type 2 diabetes and related conditions. Pharmaceutical compositions and methods of treatment are also included.
    Type: Application
    Filed: September 10, 2009
    Publication date: July 14, 2011
    Inventors: Songnian Lin, Christian P. Stevenson, Emma R. Parmee, Libo Xu, Xibin Liao, Edward metzger, Rui Liang, Fengqi Zhang, John E. Stelmach
  • Publication number: 20080132500
    Abstract: Certain water-soluble thiazolyl peptides are antibiotic capable of treating serious bacterial infections in mammals, and particularly, in humans. Some of the analogs can also be employed as versatile intermediates for the preparation of new derivatives with useful antibacterial activity.
    Type: Application
    Filed: October 19, 2007
    Publication date: June 5, 2008
    Inventors: Kun Liu, Peter T. Meinke, James F. Dropinski, Libo Xu