Patents by Inventor Pingchen Fan

Pingchen Fan 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).

  • 5-5 fused rings as C5a inhibitors
    Patent number: 11479553
    Abstract: The present disclosure provides, inter alia, Compounds of Formula (I) or pharmaceutically acceptable salts thereof that are modulators of the C5a receptor. Also provided are pharmaceutical compositions and methods of use including the treatment of diseases or disorders involving pathologic activation from C5a and non-pharmaceutical applications.
    Type: Grant
    Filed: May 4, 2020
    Date of Patent: October 25, 2022
    Assignee: CHEMOCENTRYX, INC.
    Inventors: Pingchen Fan, Christopher W. Lange, Rebecca M. Lui, Viengkham Malathong, Venkat Reddy Mali, Sreenivas Punna, Yibin Zeng, Penglie Zhang
  • 2-oxindole compounds
    Patent number: 11434230
    Abstract: Oxindole compounds useful for the treatment of CCR(9) mediated conditions or diseases are provided.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: September 6, 2022
    Assignee: ChemoCentryx, Inc.
    Inventors: Xi Chen, Dean R. Dragoli, Pingchen Fan, Manmohan Reddy Leleti, Rebecca M. Lui, Viengkham Malathong, Jay P. Powers, Rajinder Singh, Hiroko Tanaka, Ju Yang, Chao Yu, Penglie Zhang
  • 6-5 fused rings as C5a inhibitors
    Patent number: 11384079
    Abstract: The present disclosure provides, inter alia, Compounds of Formula (I) or pharmaceutically acceptable salts thereof that are modulators of the C5a receptor. Also provided are pharmaceutical compositions and methods of use including the treatment of diseases or disorders involving pathologic activation from C5a and non-pharmaceutical applications.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: July 12, 2022
    Assignee: ChemoCentryx, Inc.
    Inventors: Pingchen Fan, Christopher W. Lange, Rebecca M. Lui, Viengkham Malathong, Venkat Reddy Mali, Sreenivas Punna, Rajinder Singh, Hiroko Tanaka, Yibin Zeng, Penglie Zhang
  • Triaryl compounds for treatment of PD-L1 diseases
    Patent number: 11266643
    Abstract: Compounds are provided that are useful as immunomodulators. The compounds have the Formula (I) including stereoisomers and pharmaceutically acceptable salts thereof, wherein R1a, R1b, R1c, R1d, R2a, R2b, R3, R3a, R4, R6, R7, R8, A, Z, X1 and n are as defined herein. Methods associated with preparation and use of such compounds, as well as pharmaceutical compositions comprising such compounds, are also disclosed.
    Type: Grant
    Filed: May 14, 2020
    Date of Patent: March 8, 2022
    Assignee: ChemoCentryx, Inc.
    Inventors: Pingchen Fan, Christopher Lange, Venkat Reddy Mali, Darren J. McMurtrie, Viengkham Malathong, Sreenivas Punna, Rajinder Singh, Ju Yang, Yibin Zeng, Penglie Zhang
  • Soluble C5aR antagonists
    Patent number: 11254695
    Abstract: Compounds are provided to modulate the C5a receptor. The compounds have the following Formula (I): including stereoisomers and pharmaceutically acceptable salts thereof, wherein R1, R2 and R3 are as defined herein. Methods associated with preparation and use of such compounds, as well as pharmaceutical compositions comprising such compounds, are also disclosed.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: February 22, 2022
    Assignee: ChemoCentryx, Inc.
    Inventors: Pingchen Fan, Antoni Krasinski, Venkat Reddy Mali, Shichang Miao, Sreenivas Punna, Yang Song, Valentino J. Stella, Yibin Zeng, Penglie Zhang
  • AZA-ARYL 1H-PYRAZOL-1-YL BENZENE SULFONAMIDES
    Publication number: 20220047575
    Abstract: Compounds are provided that act as potent antagonists of the CCR(9) receptor. Animal testing demonstrates that these compounds are useful for treating inflammation, a hallmark disease for CCR(9). The compounds are generally aryl sulfonamide derivatives and are useful in pharmaceutical compositions, methods for the treatment of CCR(9)-mediated diseases, and as controls in assays for the identification of CCR(9) antagonists.
    Type: Application
    Filed: October 29, 2021
    Publication date: February 17, 2022
    Inventors: Xi CHEN, Junfa FAN, Pingchen FAN, Antoni KRASINSKI, Lianfa LI, Rebecca M. LUI, Jeffrey P. McMAHON, Jay P. POWERS, Yibin ZENG, Penglie ZHANG
  • DEUTERATED COMPOUNDS AS IMMUNOMODULATORS
    Publication number: 20210276955
    Abstract: Compounds are provided to modulate the C5a receptor. The compounds have the following Formula (I): including stereoisomers and pharmaceutically acceptable salts thereof, wherein R1, R2 and R3 are as defined herein. Methods associated with preparation and use of such compounds, as well as pharmaceutical compositions comprising such compounds, are also disclosed.
    Type: Application
    Filed: October 9, 2020
    Publication date: September 9, 2021
    Inventors: Pingchen FAN, Rebecca M. LUI, Venkat Reddy MALI, Rajinder SINGH, Yibin ZENG, Penglie ZHANG
  • C5AR ANTAGONISTS
    Publication number: 20210269398
    Abstract: Compounds are provided that are modulators of the C5a receptor. The compounds are substituted piperidines and are useful in pharmaceutical compositions, methods for the treatment of diseases and disorders involving the pathologic activation of C5a receptors.
    Type: Application
    Filed: October 20, 2020
    Publication date: September 2, 2021
    Inventors: Pingchen Fan, Kevin Lloyd Greenman, Manmohan Reddy Leleti, Yandong Li, Jay Powers, Hiroko Tanaka, Ju Yang, Yibin Zeng
  • HETEROARYL-BIPHENYL AMIDES FOR THE TREATMENT OF PD-L1 DISEASES
    Publication number: 20210130325
    Abstract: Compounds are provided that are useful as immunomodulators. The compounds have the Formula (I) including stereoisomers and pharmaceutically acceptable salts thereof, wherein R2a, R2b, R3, R3a, R4, R6, R7, R8, A, Z, X1 and n are as defined herein. Methods associated with preparation and use of such compounds, as well as pharmaceutical compositions comprising such compounds, are also disclosed.
    Type: Application
    Filed: October 15, 2020
    Publication date: May 6, 2021
    Inventors: Pingchen FAN, Christopher W. LANGE, Rebecca M. LUI, Darren J. McMURTRIE, Ryan J. SCAMP, Ju YANG, Yibin ZENG, Penglie ZHANG
  • HETEROARYL-BIPHENYL AMINES FOR THE TREATMENT OF PD-L1 DISEASES
    Publication number: 20210130347
    Abstract: Compounds are provided that are useful as immunomodulators. The compounds have the Formula (I) including stereoisomers and pharmaceutically acceptable salts thereof, wherein R2a, R2b, R3, R3a, R4, R6, R7, R8, A, Z, X1 and n are as defined herein. Methods associated with preparation and use of such compounds, as well as pharmaceutical compositions comprising such compounds, are also disclosed.
    Type: Application
    Filed: October 15, 2020
    Publication date: May 6, 2021
    Inventors: Pingchen FAN, Christopher W. LANGE, Rebecca M. LUI, Darren J. McMURTRIE, Ryan J. SCAMP, Ju YANG, Yibin ZENG, Penglie ZHANG
  • DIARYL SUBSTITUTED 6,5-FUSED RING COMPOUNDS AS C5aR INHIBITORS
    Publication number: 20210106568
    Abstract: The present disclosure provides, inter alia, Compounds of Formula (I) or pharmaceutically acceptable salts thereof that are modulators of the C5a receptor. Also provided are pharmaceutical compositions and methods of use including the treatment of diseases or disorders involving pathologic activation from C5a and non-pharmaceutical applications.
    Type: Application
    Filed: September 25, 2020
    Publication date: April 15, 2021
    Inventors: Pingchen FAN, Christopher W. LANGE, Viengkham MALATHONG, Venkat Reddy MALI, Sreenivas PUNNA, Hiroko TANAKA, Yibin ZENG, Penglie ZHANG
  • 2-OXINDOLE COMPOUNDS
    Publication number: 20210101890
    Abstract: Oxindole compounds useful for the treatment of CCR(9) mediated conditions or diseases are provided.
    Type: Application
    Filed: July 17, 2020
    Publication date: April 8, 2021
    Inventors: Xi CHEN, Dean R. DRAGOLI, Pingchen FAN, Manmohan Reddy LELETI, Rebecca M. LUI, Viengkham MALATHONG, Jay P. POWERS, Rajinder SINGH, Hiroko TANAKA, Ju YANG, Chao YU, Penglie ZHANG
  • DIAZOLE LACTAMS
    Publication number: 20210093613
    Abstract: Compounds are provided that act as potent antagonists of the CCR1 receptor, and have in vivo anti-inflammatory activity. The compounds are diazole lactam derivatives and are useful in pharmaceutical compositions, methods for the treatment of CCR1-mediated disease, and as controls in assays for the identification of competitive CCR1 antagonists.
    Type: Application
    Filed: July 8, 2020
    Publication date: April 1, 2021
    Inventors: Xi CHEN, Pingchen FAN, Yandong LI, Jay P. POWERS, Viengkham MALATHONG, Sreenivas PUNNA, Hiroko TANAKA, Penglie ZHANG, Dean DRAGOLI
  • PRODRUGS OF FUSED-BICYCLIC C5aR ANTAGONISTS
    Publication number: 20210052612
    Abstract: The present disclosure provides, inter alia, Compounds of Formulae IA, IB, IC, IIA, IIB and IIC or pharmaceutically acceptable salts thereof that are modulators of the C5a receptor. Also provided are pharmaceutical compositions and methods of use including the treatment of diseases or disorders involving pathologic activation from C5a and non-pharmaceutical applications.
    Type: Application
    Filed: April 1, 2019
    Publication date: February 25, 2021
    Inventors: Pingchen FAN, Rebecca M. LUI, Rajinder SINGH, Venkat Reddy MALI, Yibin ZENG, Penglie ZHANG
  • 5-5 FUSED RINGS AS C5a INHIBITORS
    Publication number: 20210009594
    Abstract: The present disclosure provides, inter alia, Compounds of Formula (I) or pharmaceutically acceptable salts thereof that are modulators of the C5a receptor. Also provided are pharmaceutical compositions and methods of use including the treatment of diseases or disorders involving pathologic activation from C5a and non-pharmaceutical applications.
    Type: Application
    Filed: May 4, 2020
    Publication date: January 14, 2021
    Inventors: Pingchen FAN, Christopher W. LANGE, Rebecca M. LUI, Viengkham MALATHONG, Venkat Reddy MALI, Sreenivas PUNNA, Yibin ZENG, Penglie ZHANG
  • DIARYL SUBSTITUTED 5,5-FUSED RING COMPOUNDS AS C5aR INHIBITORS
    Publication number: 20210009596
    Abstract: The present disclosure provides, inter alia, Compounds of Formula (I) or pharmaceutically acceptable salts thereof that are modulators of the C5a receptor. Also provided are pharmaceutical compositions and methods of use including the treatment of diseases or disorders involving pathologic activation from C5a and non-pharmaceutical applications.
    Type: Application
    Filed: July 27, 2020
    Publication date: January 14, 2021
    Inventors: Pingchen FAN, Christopher W. LANGE, Rebecca M. LUI, Viengkham MALATHONG, Venkat Reddy MALI, Sreenivas PUNNA, Rajinder SINGH, Yibin ZENG, Penglie ZHANG
  • COMPOUNDS FOR TREATMENT OF PD-L1 DISEASES
    Publication number: 20210002229
    Abstract: Compounds are provided that are useful as immunomodulators. The compounds have the Formula (I) including stereoisomers and pharmaceutically acceptable salts thereof, wherein R1a, R1b, R1c, R1d, R2a, R2b, R3, R3a, R4, R5, R6, R7, R8 and the subscript n are as defined herein. Methods associated with preparation and use of such compounds, as well as pharmaceutical compositions comprising such compounds, are also disclosed.
    Type: Application
    Filed: June 19, 2020
    Publication date: January 7, 2021
    Inventors: Viengkham MALATHONG, Pingchen FAN, Christopher LANGE, Venkat Reddy MALI, Darren J. McMURTRIE, Sreenivas PUNNA, Howard S. ROTH, Rajinder SINGH, Ju YANG, Penglie ZHANG
  • TRIARYL COMPOUNDS FOR TREATMENT OF PD-L1 DISEASES
    Publication number: 20200383979
    Abstract: Compounds are provided that are useful as immunomodulators. The compounds have the Formula (I) including stereoisomers and pharmaceutically acceptable salts thereof, wherein R1a, R1b, R1c, R1d, R2a, R2b, R3, R3a, R4, R6, R7, R8, A, Z, X1 and n are as defined herein. Methods associated with preparation and use of such compounds, as well as pharmaceutical compositions comprising such compounds, are also disclosed.
    Type: Application
    Filed: May 14, 2020
    Publication date: December 10, 2020
    Inventors: Pingchen FAN, Christopher LANGE, Venkat Reddy MALI, Darren J. McMURTRIE, Viengkham MALATHONG, Sreenivas PUNNA, Rajinder SINGH, Ju YANG, Yibin ZENG, Penglie ZHANG
  • PROCESSES AND INTERMEDIATES IN THE PREPARATION OF C5aR ANTAGONISTS
    Publication number: 20200354320
    Abstract: Intermediates and methods are provided for the preparation of selected C5aR antagonist compounds.
    Type: Application
    Filed: December 6, 2019
    Publication date: November 12, 2020
    Inventors: Pingchen FAN, Jaroslaw KALISIAK, Antoni KRASINSKI, Rebecca M. LUI, Jay POWERS, Sreenivas PUNNA, Hiroko TANAKA, Penglie ZHANG
  • Diaryl substituted 6,5-fused ring compounds as C5aR inhibitors
    Patent number: 10828285
    Abstract: The present disclosure provides, inter alia, Compounds of Formula (I) or pharmaceutically acceptable salts thereof that are modulators of the C5a receptor. Also provided are pharmaceutical compositions and methods of use including the treatment of diseases or disorders involving pathologic activation from C5a and non-pharmaceutical applications.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: November 10, 2020
    Assignee: ChemoCentryx, Inc.
    Inventors: Pingchen Fan, Christopher W. Lange, Viengkham Malathong, Venkat Reddy Mali, Sreenivas Punna, Hiroko Tanaka, Yibin Zeng, Penglie Zhang