Patents by Inventor Sreenivas Punna

Sreenivas Punna 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).

  • Substituted anilines as CCR(4) antagonists
    Patent number: 11884654
    Abstract: Aniline compounds are provided which bind to CCR(4) and are useful for the treatment of diseases such as allergic diseases, autoimmune diseases, graft rejection and cancer.
    Type: Grant
    Filed: September 9, 2021
    Date of Patent: January 30, 2024
    Assignee: CHEMOCENTRYX, INC.
    Inventors: Trevor T. Charvat, Junfa Fan, Christopher W. Lange, Manmohan Reddy Leleti, Yandong Li, Venkat Reddy Mali, Jeffrey P. McMahon, Jay Powers, Sreenivas Punna, Ju Yang
  • Indanes as PD-L1 inhibitors
    Patent number: 11872217
    Abstract: Compounds represented by Formula (I) or (II): are provided herein, or a pharmaceutically acceptable salt, or a prodrug or bioisostere thereof; wherein R1, R2a, R2b, R2c, R3, R4, R5, R6a, R6b, R2a?, R2b?, R2c?, R3?, R4?, R5?, R6a?, R6b?, Y, Y?, and the subscripts m and n are as defined herein.
    Type: Grant
    Filed: July 9, 2020
    Date of Patent: January 16, 2024
    Assignee: CHEMOCENTRYX, INC.
    Inventors: Viengkham Malathong, Venkat Reddy Mali, Darren J. McMurtrie, Sreenivas Punna, Howard S. Roth, Rajinder Singh, Ju Yang, Penglie Zhang
  • Processes and intermediates in the preparation of C5aR antagonists
    Patent number: 11845729
    Abstract: Intermediates and methods are provided for the preparation of selected C5aR antagonist compounds.
    Type: Grant
    Filed: February 8, 2022
    Date of Patent: December 19, 2023
    Assignee: CHEMOCENTRYX, INC.
    Inventors: Pingchen Fan, Jaroslaw Kalisiak, Antoni Krasinski, Rebecca M. Lui, Jay Powers, Sreenivas Punna, Hiroko Tanaka, Penglie Zhang
  • Immunomodulator compounds
    Patent number: 11793771
    Abstract: Compounds are provided that are useful as immunomodulators. The compounds have the following Formula (II): including stereoisomers and pharmaceutically acceptable salts thereof, wherein R1, R2a, R2b, R2c, R3, R4, R6a, R6b, m 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: June 13, 2022
    Date of Patent: October 24, 2023
    Assignee: CHEMOCENTRYX, INC.
    Inventors: Christopher Lange, Viengkham Malathong, Darren J. McMurtrie, Sreenivas Punna, Rajinder Singh, Ju Yang, Penglie Zhang
  • THIAZOLO[5,4-B]PYRIDINE MALT-1 INHIBITORS
    Publication number: 20230312601
    Abstract: The present disclosure provides for compounds of the general Formula (I) wherein R1a, R1b, R2, R3, R4, R5, R6, R7, R8, and Ring A have any of the values defined in the specification, and pharmaceutically acceptable salts thereof.
    Type: Application
    Filed: March 30, 2023
    Publication date: October 5, 2023
    Inventors: Daniel Cohen, Jane Gong, Tarun Jain, Puneet Kumar, Dachun Liu, Anthony Mastracchio, Mark Mills, Andrew William Phillips, John K. Pratt, Sreenivas Punna, Jennifer Ann Stockwell, Le Wang, Yiyun Yu
  • 6-5 fused rings as C5a inhibitors
    Patent number: 11773091
    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 3, 2022
    Date of Patent: October 3, 2023
    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
  • Indane-amines as PD-L1 antagonists
    Patent number: 11759458
    Abstract: Compounds are provided that are useful as immunomodulators. The compounds have the Formula (I) including stereoisomers and pharmaceutically acceptable salts thereof, wherein R1, R2a, R2b, R2c, R3, R4, R5, R6a, R6b, m 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: August 30, 2021
    Date of Patent: September 19, 2023
    Assignee: CHEMOCENTRYX, INC.
    Inventors: Christopher Lange, Sreenivas Punna, Rajinder Singh, Ju Yang, Penglie Zhang
  • Diazole lactams
    Patent number: 11759454
    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: Grant
    Filed: July 8, 2020
    Date of Patent: September 19, 2023
    Assignee: CHEMOCENTRYX, INC.
    Inventors: Xi Chen, Pingchen Fan, Yandong Li, Jay P. Powers, Viengkham Malathong, Sreenivas Punna, Hiroko Tanaka, Penglie Zhang, Dean Dragoli
  • Immunomodulator compounds
    Patent number: 11708326
    Abstract: Compounds are provided that are useful as immunomodulators. The compounds have the following Formula (I): including stereoisomers and pharmaceutically acceptable salts thereof, wherein Z, L, R1a, R1b, R1c, R1d, R2a, R2b, R2c, R3, R4, R5, R6a, R6b, m 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: November 30, 2020
    Date of Patent: July 25, 2023
    Assignee: CHEMOCENTRYX, INC.
    Inventors: Christopher Lange, Viengkham Malathong, Venkat Reddy Mali, Jeffrey McMahon, Darren J. McMurtrie, Sreenivas Punna, Howard S. Roth, Rajinder Singh, Yu Wang, Ju Yang, Penglie Zhang
  • Macrocyclic immunomodulators
    Patent number: 11691985
    Abstract: Compounds are provided that are useful as immunomodulators. The compounds have the following Formula (I) or (II): including stereoisomers and pharmaceutically acceptable salts thereof, wherein R, R1, R2a, R2b, R2c, R3, R4, R5, R6a, R6b, R6c, m 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: June 3, 2021
    Date of Patent: July 4, 2023
    Assignee: CHEMOCENTRYX, INC.
    Inventors: Viengkham Malathong, Jeffrey McMahon, Darren J. McMurtrie, Sreenivas Punna, Howard S. Roth, Rajinder Singh, Penglie Zhang
  • 6-5 FUSED RINGS AS C5a INHIBITORS
    Publication number: 20230151002
    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 3, 2022
    Publication date: May 18, 2023
    Inventors: Pingchen FAN, Christopher W. LANGE, Rebecca M. LUI, Viengkham MALATHONG, Venkat Reddy MALI, Sreenivas PUNNA, Rajinder SINGH, Hiroko TANAKA, Yibin ZENG, Penglie ZHANG
  • IMMUNOMODULATOR COMPOUNDS
    Publication number: 20230117425
    Abstract: Compounds are provided that are useful as immunomodulators. The compounds have the following Formula (II): including stereoisomers and pharmaceutically acceptable salts thereof, wherein R1, R2a, R2b, R2c, R3, R4, R6a, R6b, m 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: June 13, 2022
    Publication date: April 20, 2023
    Inventors: Christopher LANGE, Viengkham MALATHONG, Darren J. McMURTRIE, Sreenivas PUNNA, Rajinder SINGH, Ju YANG, Penglie ZHANG
  • DIARYL SUBSTITUTED 6,5-FUSED RING COMPOUNDS AS C5aR INHIBITORS
    Publication number: 20230115912
    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 13, 2022
    Publication date: April 13, 2023
    Inventors: Pingchen FAN, Christopher W. LANGE, Viengkham MALATHONG, Venkat Reddy MALI, Sreenivas PUNNA, Hiroko TANAKA, Yibin ZENG, Penglie ZHANG
  • TRIARYL COMPOUNDS FOR TREATMENT OF PD-L1 DISEASES
    Publication number: 20230044941
    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: January 14, 2022
    Publication date: February 9, 2023
    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: 20230008966
    Abstract: Intermediates and methods are provided for the preparation of selected C5aR antagonist compounds.
    Type: Application
    Filed: February 8, 2022
    Publication date: January 12, 2023
    Inventors: Pingchen FAN, Jaroslaw KALISIAK, Antoni KRASINSKI, Rebecca M. LUI, Jay POWERS, Sreenivas PUNNA, Hiroko TANAKA, Penglie ZHANG
  • Diaryl substituted 5,5-fused ring compounds as C5aR inhibitors
    Patent number: 11485737
    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: July 27, 2020
    Date of Patent: November 1, 2022
    Assignee: CHEMOCENTRYX, INC.
    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
    Patent number: 11485708
    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: Grant
    Filed: June 19, 2020
    Date of Patent: November 1, 2022
    Assignee: ChemoCentryx, Inc.
    Inventors: Viengkham Malathong, Pingchen Fan, Christopher Lange, Venkat Reddy Mali, Darren J. McMurtrie, Sreenivas Punna, Howard S. Roth, Rajinder Singh, Ju Yang, Penglie Zhang
  • Diaryl substituted 6,5-fused ring compounds as C5aR inhibitors
    Patent number: 11478460
    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: September 25, 2020
    Date of Patent: October 25, 2022
    Assignee: CHEMOCENTRYX, INC.
    Inventors: Pingchen Fan, Christopher W. Lange, Viengkham Malathong, Venkat Reddy Mali, Sreenivas Punna, Hiroko Tanaka, Yibin Zeng, Penglie Zhang
  • 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
  • Heteroaryl sulfonamides and CCR2/CCR9
    Patent number: 11433061
    Abstract: Compounds are provided that act as potent antagonists of the CCR2 receptor. Animal testing demonstrates that these compounds are useful for treating inflammation, a hallmark disease for CCR2. The compounds are generally aryl sulfonamide derivatives and are useful in pharmaceutical compositions, methods for the treatment of CCR2-mediated diseases, and as controls in assays for the identification of CCR2 antagonists.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: September 6, 2022
    Assignee: ChemoCentryx, Inc.
    Inventors: Solomon Ungashe, Zheng Wei, Arindrajit Basak, Trevor T. Charvat, Wei Chen, Jeff Jin, Jimmie Moore, Yibin Zeng, Sreenivas Punna, Daniel Dairaghi, Derek Hansen, Andrew M. K. Pennell, John J. Wright, Antoni Krasinski, Qiang Wang