Patents by Inventor Qinglin Pu

Qinglin Pu 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).

  • IL4I1 INHIBITORS AND METHODS OF USE
    Publication number: 20230183214
    Abstract: Described herein are compounds of Formula I or a pharmaceutically acceptable salt thereof. The compounds of Formula I act as IL4I1 inhibitors and can be useful in preventing, treating or acting as a remedial agent for IL4I1-related diseases.
    Type: Application
    Filed: May 4, 2021
    Publication date: June 15, 2023
    Applicant: Merck Sharp & Dohme LLC
    Inventors: Brandon D. CASH, Wenlang FU, George Madalin GIAMBASU, Andrew M. HAIDLE, Brett A. HOPKINS, Matthew A. LARSEN, Charles A. LESBURG, Ping LIU, Meredeth A. MCGOWAN, Qinglin PU, Sulagna SANYAL, Phieng SILIPHAIVANH, Catherine M. WHITE, Xin YAN
  • ARGINASE INHIBITORS AND METHODS OF USE
    Publication number: 20230140132
    Abstract: Described herein are compounds of Formula I or a pharmaceutically acceptable salt thereof. The compounds of Formula I act as arginase inhibitors and can be useful in preventing, treating or acting as a remedial agent for arginase-related diseases.
    Type: Application
    Filed: December 18, 2020
    Publication date: May 4, 2023
    Applicant: MERCK SHARP & DOHME LLC
    Inventors: Abdelghani Abe Achab, Matthew L. Childers, Christian Fischer, Symon Gathiaka, Derun Li, Min Lu, Anandan Palani, Rachel L. Palte, Qinglin Pu, David L. Sloman, Hongjun Zhang
  • [1.1.1] bicyclo compounds as indoleamine 2,3-dioxygenase inhibitors
    Patent number: 11478461
    Abstract: Disclosed herein are compounds of formula (I) which are inhibitors of an IDO enzyme: (I). Also disclosed herein are uses of the compounds in the potential treatment or prevention of an IDO-associated disease or disorder. Also disclosed herein are compositions comprising these compounds. Further disclosed herein are uses of the compositions in the potential treatment or prevention of an IDO-associated disease or disorder.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: October 25, 2022
    Assignee: Merck Sharp & Dohme LLC
    Inventors: Liangqin Guo, Hongjun Zhang, Ping Chen, Dane Clausen, Xavier Fradera, Yongxin Han, Shuwen He, Xianhai Huang, Alexander Pasternak, Qinglin Pu, Li Xiao, Feng Ye
  • Substituted [1.1.1] bicyclo compounds as indoleamine 2,3-dioxygenase inhibitors
    Patent number: 11352320
    Abstract: Disclosed herein are compounds of formula (I) which are inhibitors of an IDO enzyme: (I). Also disclosed herein are uses of the compounds in the potential treatment or prevention of an IDO-associated disease or disorder. Also disclosed herein are compositions comprising these compounds. Further disclosed herein are uses of the compositions in the potential treatment or prevention of an IDO-associated disease or disorder.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: June 7, 2022
    Assignee: MERCK SHARP & DOHME CORP.
    Inventors: Shuwen He, Dane Clausen, Liangqin Guo, Yongxin Han, Xianhai Huang, Alexander Pasternak, Qinglin Pu, Dong Xiao, Li Xiao, Feng Ye, Hongjun Zhang
  • Novel [1.1.1] Bicyclo Compounds as Indoleamine 2,3-Dioxygenase Inhibitors
    Publication number: 20210393600
    Abstract: Disclosed herein are compounds of formula (I) which are inhibitors of an IDO enzyme: (I). Also disclosed herein are uses of the compounds in the potential treatment or prevention of an IDO-associated disease or disorder. Also disclosed herein are compositions comprising these compounds. Further disclosed herein are uses of the compositions in the potential treatment or prevention of an IDO-associated disease or disorder.
    Type: Application
    Filed: April 15, 2019
    Publication date: December 23, 2021
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Liangqin Guo, Hongjun Zhang, Ping Chen, Dane Clausen, Xavier Fradera, Yongxin Han, Shuwen He, Xianhai Huang, Alexander Pasternak, Qinglin Pu, Li Xiao, Feng Ye
  • Substituted imidazopyridine compounds as inhibitors of indoleamine 2,3-dioxygenase and/or tryptophan-2,3-dioxygenase
    Patent number: 11096930
    Abstract: Disclosed herein are substituted imidazopyridine compounds of formula (I) which are inhibitors of indoleamine 2,3-dioxygenase (IDO) and/or tryptophan-2,3-dioxygenase (TDO) enzymes: (I). Also disclosed herein are uses of the compounds in the potential treatment or prevention of an IDO- and/or TDO-associated disease or disorder. Also disclosed herein are compositions comprising these compounds. Further disclosed herein are uses of the compositions in the potential treatment or prevention of an IDO- and/or TDO-associated disease or disorder.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: August 24, 2021
    Assignees: Merck Sharp & Dohme Corp., IOmet Pharma Ltd.
    Inventors: Phillip M. Cowley, Meredeth Ann McGowan, Thomas J. Brown, Yongxin Han, Kun Liu, Qinglin Pu, Alan Wise, Hongjun Zhang, Hua Zhou
  • NOVEL SUBSTITUTED [1.1.1] BICYCLO COMPOUNDS AS INDOLEAMINE 2,3-DIOXYGENASE INHIBITORS
    Publication number: 20210198190
    Abstract: Disclosed herein are compounds of formula (I) which are inhibitors of an IDO enzyme: (I). Also disclosed herein are uses of the compounds in the potential treatment or prevention of an IDO-associated disease or disorder. Also disclosed herein are compositions comprising these compounds. Further disclosed herein are uses of the compositions in the potential treatment or prevention of an IDO-associated disease or disorder.
    Type: Application
    Filed: May 28, 2019
    Publication date: July 1, 2021
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Shuwen He, Dane Clausen, Liangqin Guo, Yongxin Han, Xianhai Huang, Alexander Pasternak, Qinglin Pu, Dong Xiao, Li Xiao, Feng Ye, Hongjun Zhang
  • NOVEL SUBSTITUTED TETRAHYDROQUINOLIN COMPOUNDS AS INDOLEAMINE 2,3-DIOXYGENASE (IDO) INHIBITORS
    Publication number: 20210179607
    Abstract: Disclosed herein is a compound of formula (I), or a pharmaceutically acceptable salt thereof (I). Also disclosed herein are uses of the compounds disclosed herein in the potential treatment or prevention of an IDO-associated disease or disorder. Also disclosed herein are compositions comprising a compound disclosed herein. Further disclosed herein are uses of the compositions in the potential treatment or prevention of an IDO-associated disease or disorder.
    Type: Application
    Filed: October 29, 2018
    Publication date: June 17, 2021
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Yongqi Deng, Abdelghani Achab, Bridget A. Becker, David Jonathan Bennett, Indu Bharathan, Xavier Fradera, Craig Gibeau, Yongxin Han, Derun Li, Kun Liu, Qinglin Pu, Sulagna Sanyal, David Sloman, Wensheng Yu, Hongjun Zhang
  • Substituted N?-hydroxycarbamimidoyl-1,2,5-oxadiazole compounds as indoleamine 2,3-dioxygenase IDO inhibitors
    Patent number: 11034661
    Abstract: Disclosed herein is a compound of formula (I), or a pharmaceutically acceptable salt thereof. Also disclosed herein are uses of the compounds disclosed herein in the potential treatment or prevention of an IDO-associated disease or disorder. Also disclosed herein are compositions comprising a compound disclosed herein. Further disclosed herein are uses of the compositions in the potential treatment or prevention of an IDO-associated disease or disorder.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: June 15, 2021
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Liangqin Guo, Yongxin Han, Kun Liu, Shuwen He, Joseph Kozlowski, Ravi Nargund, Wensheng Yu, Hongjun Zhang, Qinglin Pu, Derun Li, Abdelghani Achab, Guoqing Li
  • Substituted n?-hydroxycarbamimidoyl-1,2,5-oxadiazole compounds as indoleamine 2,3-dioxygenase (IDO) inhibitors
    Patent number: 10988487
    Abstract: Disclosed herein is a compound of formula (I), or a pharmaceutically acceptable salt thereof: Formula (I). Also disclosed herein are uses of the compounds disclosed herein in the potential treatment or prevention of an IDO-associated disease or disorder. Also disclosed herein are compositions comprising a compound disclosed herein. Further disclosed herein are uses of the compositions in the potential treatment or prevention of an IDO-associated disease or disorder.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: April 27, 2021
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Kun Liu, Abdelghani Achab, Purakkattle Biju, Timothy A. Cernak, Yongqi Deng, Xavier Fradera, Liangqin Guo, Yongxin Han, Shuwen He, Joseph Kozlowski, Derun Li, Guoqing Li, Qinglin Pu, Zhi-Cai Shi, Wensheng Yu, Hongjun Zhang
  • Substituted sulfoximine compounds as indoleamine 2,3-dioxygenase (IDO) inhibitors
    Patent number: 10927086
    Abstract: Compounds of Formula I, or a pharmaceutically acceptable salt, solvate or hydrate thereof: (I). Also disclosed herein are uses of the compounds disclosed herein in the potential treatment or prevention of an IDO-associated disease or disorder. Also disclosed herein are compositions comprising a compound disclosed herein. Further disclosed herein are uses of the compositions in the potential treatment or prevention of an IDO-associated disease or disorder.
    Type: Grant
    Filed: February 19, 2018
    Date of Patent: February 23, 2021
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Kun Liu, Dane Clausen, Liangqin Guo, Yongxin Han, Shuwen He, Joseph Kozlowski, Derun Li, Qinglin Pu, Wensheng Yu, Hongjun Zhang
  • ARGINASE INHIBITORS AND METHODS OF USE
    Publication number: 20210040127
    Abstract: Described herein are compounds of Formula I or a pharmaceutically acceptable salt thereof. The compounds of Formula I act as arginase inhibitors and can be useful in preventing, treating or acting as a remedial agent for arginase-related diseases.
    Type: Application
    Filed: March 8, 2019
    Publication date: February 11, 2021
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Abdelghani Abe Achab, Matthew L. Childers, Jared N. Cumming, Christian A. Fischer, Symon Gathiaka, Hakan Gunaydin, Charles A. Lesburg, Derun Li, Min Lu, Anandan Palani, Rachel L. Palte, Qinglin Pu, David L. Sloman, Sung-Sau So, Chunrui Sun, Hongjun Zhang
  • NOVEL SUBSTITUTED IMIDAZOPYRIDINE COMPOUNDS AS INHIBITORS OF INDOLEAMINE 2,3-DIOXYGENASE AND/OR TRYPTOPHAN-2,3-DIOXYGENASE
    Publication number: 20200230117
    Abstract: Disclosed herein are substituted imidazopyridine compounds of formula (I) which are inhibitors of indoleamine 2,3-dioxygenase (IDO) and/or tryptophan-2,3-dioxygenase (TDO) enzymes: (I). Also disclosed herein are uses of the compounds in the potential treatment or prevention of an IDO- and/or TDO-associated disease or disorder. Also disclosed herein are compositions comprising these compounds. Further disclosed herein are uses of the compositions in the potential treatment or prevention of an IDO- and/or TDO-associated disease or disorder.
    Type: Application
    Filed: April 24, 2017
    Publication date: July 23, 2020
    Applicants: IOMet Pharma Ltd., Merck Sharp & Dohme Corp.
    Inventors: Phillip M. Cowley, Meredeth Ann McGowan, Thomas J. Brown, Yongxin Han, Kun Liu, Qinglin Pu, Alan Wise, Hongjun Zhang, Hua Zhou
  • NOVEL SUBSTITUTED N'-HYDROXYCARBAMIMIDOYL-1,2,5-OXADIAZOLE COMPOUNDS AS INDOLEAMINE 2,3-DIOXYGENASE (IDO) INHIBITORS
    Publication number: 20200231606
    Abstract: Disclosed herein is a compound of formula (I), or a pharmaceutically acceptable salt thereof: Formula (I). Also disclosed herein are uses of the compounds disclosed herein in the potential treatment or prevention of an IDO-associated disease or disorder. Also disclosed herein are compositions comprising a compound disclosed herein. Further disclosed herein are uses of the compositions in the potential treatment or prevention of an IDO-associated disease or disorder.
    Type: Application
    Filed: August 24, 2017
    Publication date: July 23, 2020
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Kun Liu, Abdelghani Achab, Purakkattle Biju, Timothy A. Cernak, Yongqi Deng, Xavier Fradera, Liangqin Guo, Yongxin Han, Shuwen He, Joseph Kozlowski, Derun Li, Guoqing Li, Qinglin Pu, Zhi-Cai Shi, Wensheng Yu, Hongjun Zhang
  • NOVEL SUBSTITUTED N'-HYDROXYCARBAMIMIDOYL-1,2,5-OXADIAZOLE COMPOUNDS AS INDOLEAMINE 2,3-DIOXYGENASE IDO INHIBITORS
    Publication number: 20200102278
    Abstract: Disclosed herein is a compound of formula (I), or a pharmaceutically acceptable salt thereof. Also disclosed herein are uses of the compounds disclosed herein in the potential treatment or prevention of an IDO-associated disease or disorder. Also disclosed herein are compositions comprising a compound disclosed herein. Further disclosed herein are uses of the compositions in the potential treatment or prevention of an IDO-associated disease or disorder.
    Type: Application
    Filed: March 23, 2018
    Publication date: April 2, 2020
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Liangqin Guo, Yongxin Han, Kun Liu, Shuwen He, Joseph Kozlowski, Ravi Nargund, Wensheng Yu, Hongjun Zhang, Qinglin Pu, Derun Li, Abdelghani Achab, Guoqing Li
  • NOVEL SUBSTITUTED SULFOXIMINE COMPOUNDS AS INDOLEAMINE 2,3-DIOXYGENASE (IDO) INHIBITORS
    Publication number: 20200095212
    Abstract: Compounds of Formula I, or a pharmaceutically acceptable salt, solvate or hydrate thereof: (I). Also disclosed herein are uses of the compounds disclosed herein in the potential treatment or prevention of an IDO-associated disease or disorder. Also disclosed herein are compositions comprising a compound disclosed herein. Further disclosed herein are uses of the compositions in the potential treatment or prevention of an IDO-associated disease or disorder.
    Type: Application
    Filed: February 19, 2018
    Publication date: March 26, 2020
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Kun Liu, Dane Clausen, Liangqin Guo, Yongxin Han, Shuwen He, Joseph Kozlowski, Derun Li, Qinglin Pu, Wensheng Yu, Hongjun Zhang
  • Compounds as indoleamine 2,3-dioxygenase inhibitors
    Patent number: 10538497
    Abstract: Disclosed herein are compounds of formula (I) which are inhibitors of an IDO enzyme: (I). Also disclosed herein are uses of the compounds in the potential treatment or prevention of an IDO-associated disease or disorder. Also disclosed herein are compositions comprising these compounds. Further disclosed herein are uses of the compositions in the potential treatment or prevention of an IDO-associated disease or disorder.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: January 21, 2020
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Yongxin Han, Abdelghani Achab, Purakkattle Biju, Yongqi Deng, Xavier Fradera, Liangqin Guo, Shuwen He, Joseph Kozlowski, Ravi Kurukulasuriya, Kun Liu, Meredeth Ann McGowan, Qinglin Pu, Nunzio Sciammetta, Hongjun Zhang, Hua Zhou
  • Substituted bicyclic pyrazole compounds as RORgammaT inhibitors and uses thereof
    Patent number: 10344000
    Abstract: The present invention relates to compounds according to Formula I: and pharmaceutically acceptable salts thereof. Such compounds can be used in the treatment of RORgammaT-mediated diseases or conditions.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: July 9, 2019
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Blair T. Lapointe, Peter H. Fuller, Hakan Gunaydin, Kun Liu, Danielle F. Molinari, Qinglin Pu, Mark E. Scott, B. Wesley Trotter, Hongjun Zhang
  • NOVEL COMPOUNDS AS INDOLEAMINE 2,3-DIOXYGENASE INHIBITORS
    Publication number: 20180362482
    Abstract: Disclosed herein are compounds of formula (I) which are inhibitors of an IDO enzyme: (I). Also disclosed herein are uses of the compounds in the potential treatment or prevention of an IDO-associated disease or disorder. Also disclosed herein are compositions comprising these compounds. Further disclosed herein are uses of the compositions in the potential treatment or prevention of an IDO-associated disease or disorder.
    Type: Application
    Filed: December 12, 2016
    Publication date: December 20, 2018
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Yongxin Han, Abdelghani Achab, Purakkattle Biju, Yongqi Deng, Xavier Fradera, Liangqin Guo, Shuwen He, Joseph Kozlowski, Ravi Kurukulasuriya, Kun Liu, Meredeth Ann McGowan, Qinglin Pu, Nunzio Sciammetta, Hongjun Zhang, Hua Zhou
  • SUBSTITUTED BICYCLIC PYRAZOLE COMPOUNDS AS RORgammaT INHIBITORS AND USES THEREOF
    Publication number: 20180305320
    Abstract: The present invention relates to compounds according to Formula I: and pharmaceutically acceptable salts thereof. Such compounds can be used in the treatment of RORgammaT-mediated diseases or conditions.
    Type: Application
    Filed: October 27, 2016
    Publication date: October 25, 2018
    Inventors: Blair T. Lapointe, Peter H. Fuller, Hakan Gunaydin, Kun Liu, Danielle F. Molinari, Qinglin Pu, Mark E. Scott, B. Wesley Trotter, Hongjun Zhang