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).

  • Publication number: 20190276402
    Abstract: Intermediates and methods are provided for the preparation of selected C5aR antagonist compounds.
    Type: Application
    Filed: March 21, 2019
    Publication date: September 12, 2019
    Inventors: Pingchen FAN, Jaroslaw KALISIAK, Antoni KRASINSKI, Rebecca M. LUI, Jay POWERS, Sreenivas PUNNA, Hiroko TANAKA, Penglie ZHANG
  • Patent number: 10407417
    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: August 10, 2017
    Date of Patent: September 10, 2019
    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
  • Publication number: 20190270761
    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: March 19, 2019
    Publication date: September 5, 2019
    Inventors: Pingchen FAN, Antoni KRASINSKI, Venkat Reddy MALI, Shichang MIAO, Sreenivas PUNNA, Yang SONG, Valentino J. STELLA, Yibin ZENG, Penglie ZHANG
  • Patent number: 10392405
    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: August 7, 2018
    Date of Patent: August 27, 2019
    Assignee: ChemoCentryx, Inc.
    Inventors: Viengkham Malathong, Jeffrey McMahon, Darren J. McMurtrie, Sreenivas Punna, Howard S. Roth, Rajinder Singh, Penglie Zhang
  • Patent number: 10342781
    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 25, 2017
    Date of Patent: July 9, 2019
    Assignee: ChemoCentryx, Inc.
    Inventors: Xi Chen, Dean R. Dragoli, Pingchen Fan, Juan C. Jaen, Yandong Li, Jay P. Powers, Viengkham Malathong, Sreenivas Punna, Hiroko Tanaka, Penglie Zhang
  • Publication number: 20190192491
    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: December 20, 2018
    Publication date: June 27, 2019
    Inventors: Pingchen FAN, Christopher W. LANGE, Viengkham MALATHONG, Venkat Reddy MALI, Sreenivas PUNNA, Hiroko TANAKA, Yibin ZENG, Penglie ZHANG
  • Publication number: 20190194208
    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: December 20, 2018
    Publication date: June 27, 2019
    Inventors: Pingchen FAN, Christopher W. LANGE, Rebecca M. LUI, Viengkham MALATHONG, Venkat Reddy MALI, Sreenivas PUNNA, Rajinder SINGH, Yibin ZENG, Penglie ZHANG
  • Patent number: 10329314
    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: February 28, 2018
    Date of Patent: June 25, 2019
    Assignee: ChemoCentryx, Inc.
    Inventors: Pingchen Fan, Antoni Krasinski, Venkat Reddy Mali, Shichang Miao, Sreenivas Punna, Yang Song, Valentino J. Stella, Yibin Zeng, Penglie Zhang
  • Publication number: 20190169197
    Abstract: Compounds are provided that act as potent antagonists of the CCR2 receptor. 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: Application
    Filed: January 11, 2019
    Publication date: June 6, 2019
    Inventors: Antoni Krasinski, Sreenivas Punna, Solomon Ungashe, Qiang Wang, Yibin Zeng
  • Publication number: 20190167651
    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: Application
    Filed: February 11, 2019
    Publication date: June 6, 2019
    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
  • Publication number: 20190135745
    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: Application
    Filed: July 27, 2018
    Publication date: May 9, 2019
    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
  • Patent number: 10266492
    Abstract: Intermediates and methods are provided for the preparation of selected C5aR antagonist compounds.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: April 23, 2019
    Assignee: ChemoCentryx, Inc.
    Inventors: Pingchen Fan, Jaroslaw Kalisiak, Antoni Krasinski, Rebecca M. Lui, Jay Powers, Sreenivas Punna, Hiroko Tanaka, Penglie Zhang
  • Patent number: 10208050
    Abstract: Compounds are provided that act as potent antagonists of the CCR2 receptor. 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: August 4, 2017
    Date of Patent: February 19, 2019
    Assignee: ChemoCentryx, Inc.
    Inventors: Antoni Krasinski, Sreenivas Punna, Solomon Ungashe, Qiang Wang, Yibin Zeng
  • Patent number: 10206912
    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: December 19, 2016
    Date of Patent: February 19, 2019
    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
  • Publication number: 20190048022
    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: Application
    Filed: August 7, 2018
    Publication date: February 14, 2019
    Inventors: Viengkham MALATHONG, Jeffrey McMAHON, Darren J. McMURTRIE, Sreenivas PUNNA, Howard S. ROTH, Rajinder SINGH, Penglie ZHANG
  • Publication number: 20190010177
    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: February 28, 2018
    Publication date: January 10, 2019
    Inventors: Pingchen FAN, Antoni KRASINSKI, Venkat Reddy MALI, Shichang MIAO, Sreenivas PUNNA, Yang SONG, Valentino J. STELLA, Yibin ZENG, Penglie ZHANG
  • Publication number: 20180369213
    Abstract: Compounds are provided that act as potent antagonists of the CCR1 receptor, and have in vivo anti-inflammatory activity. The compounds are generally aryl piperazine derivatives and are useful in pharmaceutical compositions, methods for the treatment of CCR1-mediated diseases, and as controls in assays for the identification of competitive CCR1 antagonists.
    Type: Application
    Filed: February 20, 2018
    Publication date: December 27, 2018
    Inventors: Xi CHEN, Dean R. DRAGOLI, Pingchen FAN, Yandong LI, Jay P. POWERS, Sreenivas PUNNA, Hiroko TANAKA, Penglie ZHANG
  • Publication number: 20180370967
    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 29, 2018
    Publication date: December 27, 2018
    Inventors: Pingchen FAN, Christopher W. LANGE, Rebecca M. LUI, Viengkham MALATHONG, Venkat Reddy MALI, Sreenivas PUNNA, Rajinder SINGH, Hiroko TANAKA, Yibin ZENG, Penglie ZHANG
  • Publication number: 20180346471
    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 29, 2018
    Publication date: December 6, 2018
    Inventors: Pingchen FAN, Christopher W. LANGE, Rebecca M. LUI, Viengkham MALATHONG, Venkat Reddy MALI, Sreenivas PUNNA, Yibin ZENG, Penglie ZHANG
  • Publication number: 20180162846
    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: Application
    Filed: August 10, 2017
    Publication date: June 14, 2018
    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