Patents by Inventor Xiaofan Zheng

Xiaofan Zheng 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: 11866430
    Abstract: Disclosed are compounds of Formula (I): or a salt thereof, wherein: R1, R2, R3, and R4 are defined herein. Also disclosed are methods of using such compounds to inhibit the activity of one or both of diacylglycerol kinase alpha (DGK ?) and diacylglycerol kinase zeta (DGK?), and pharmaceutical compositions comprising such compounds. These compounds are useful in the treatment of viral infections and proliferative disorders, such as cancer.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: January 9, 2024
    Assignee: Bristol-Myers Squibb Company
    Inventors: Louis S. Chupak, Min Ding, Robert G. Gentles, Yazhong Huang, Scott W. Martin, Ivar M. Mcdonald, Stephen E. Mercer, Richard E. Olson, Upender Velaparthi, Michael Wichroski, Xiaofan Zheng
  • Patent number: 11713316
    Abstract: Disclosed are compounds of Formula (I): or a salt thereof, wherein: R1, R2, R3, R4, R5, and m are defined herein. Also disclosed are methods of using such compounds to inhibit the activity of one or both of diacylglycerol kinase alpha (DGK?) and diacylglycerol kinase zeta (DGK?), and pharmaceutical compositions comprising such compounds. These compounds are useful in the treatment of viral infections and proliferative disorders, such as cancer.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: August 1, 2023
    Assignee: Bristol-Myers Squibb Company
    Inventors: Upender Velaparthi, Louis S. Chupak, Chetan Padmakar Darne, Min Ding, Robert G. Gentles, Yazhong Huang, Manjunatha Narayana Rao Kamble, Scott W. Martin, Raju Mannoori, Ivar M. McDonald, Richard E. Olson, Hasibur Rahaman, Prasada Rao Jalagam, Saumya Roy, Gopikishan Tonukunuru, Sivasudar Velaiah, Jayakumar Sankara Warrier, Xiaofan Zheng, John S. Tokarski, Bireshwar Dasgupta, Kotha Rathnakar Reddy, Thiruvenkadam Raja
  • Publication number: 20230089255
    Abstract: Provided are inhibitors of diacylglycerol kinases (DGK) and methods for treating diseases that would benefit from the stimulation of the immune system, such as cancer and infections diseases, comprising administering a DGK inhibitor in combination with an antagonist of the PD 1/PD-L 1 axis and/or an antagonist of CTLA4.
    Type: Application
    Filed: December 18, 2020
    Publication date: March 23, 2023
    Inventors: Susan WEE, Joseph L. BENC, Xinyu WANG, Upender VELAPARTHI, Louis S. CHUPAK, Chatan P. DARNE, Min DING, Robert G. GENTLES, Yazhong HUANG, Scott W. MARTIN, Ivar M. MCDONALD, Richard E. OLSON, Xiaofan ZHENG, John S. TOKARSKI, Bireshwar DASGUPTA, Manjunatha Narayana Rao KAMBLE, Raju MANNOORI, Haslbur RAHAMAN, Prasada Rao JALAGAM, Saumya ROY, Gopikishan TONUKUNURU, Sivasudar VELAIAH, Jayakumar Sankara WARRIER, Kotha Rathnakar REDDY, Thiruvenkadam RAJA, Denise GRUNENFELDER, Michael WICHROSKI
  • Publication number: 20230061608
    Abstract: Disclosed are compounds of Formula (I) or a salt thereof, wherein: R1, R2, R3, R4, R5, R6, and m are defined herein. Also disclosed are methods of using such compounds to inhibit the activity of one or both of diacylglycerol kinase alpha (DGK?) and diacylglycerol kinase zeta (DGK?), and pharmaceutical compositions comprising such compounds. These compounds are useful in the treatment of viral infections and proliferative disorders, such as cancer.
    Type: Application
    Filed: December 22, 2020
    Publication date: March 2, 2023
    Inventors: Louis S. Chupak, Richard E. Olson, Upender Velaparthi, Xiaofan Zheng, Robert G. Gentles, Min Ding, Jayakumar Sankara Warrier
  • Publication number: 20220324859
    Abstract: Disclosed are compounds of Formula (I): or a salt thereof, wherein: R1, R2, R3, R4, R5, and m are defined herein. Also disclosed are methods of using such compounds to inhibit the activity of one or both of diacylglycerol kinase alpha (DGK?) and diacylglycerol kinase zeta (DGK?), and pharmaceutical compositions comprising such compounds. These compounds are useful in the treatment of viral infections and proliferative disorders, such as cancer.
    Type: Application
    Filed: February 1, 2021
    Publication date: October 13, 2022
    Inventors: Upender Velaparthi, Louis S. Chupak, Chetan Padmakar Darne, Min Ding, Robert G. Gentles, Yazhong Huang, Manjunatha Narayana Rao Kamble, Scott W. Martin, Raju Mannoori, Ivar M. McDonald, Richard E. Olson, Hasibur Rahaman, Prasada Rao Jalagam, Saumya Roy, Gopikishan Tonukunuru, Sivasudar Velaiah, Jayakumar Sankara Warrier, Xiaofan Zheng, John S. Tokarski, Bireshwar Dasgupta, Kotha Rathnakar Reddy, Thiruvenkadam Raja
  • Publication number: 20210277004
    Abstract: Disclosed are compounds of Formula (I): or a salt thereof, wherein: R1, R2, R3, and R4 are defined herein. Also disclosed are methods of using such compounds to inhibit the activity of one or both of diacylglycerol kinase alpha (DGK ?) and diacylglycerol kinase zeta (DGK?), and pharmaceutical compositions comprising such compounds. These compounds are useful in the treatment of viral infections and proliferative disorders, such as cancer.
    Type: Application
    Filed: June 26, 2019
    Publication date: September 9, 2021
    Inventors: Louis S. Chupak, Min Ding, Robert G. Gentles, Yazhong Huang, Scott W. Martin, Ivar M. Mcdonald, Stephen E. Mercer, Richard E. Olson, Upender Velaparthi, Michael Wichroski, Xiaofan Zheng
  • Patent number: 10954238
    Abstract: Disclosed are compounds of Formula (I): or a salt thereof, wherein: R1, R2, R3, R4, R5, and m are defined herein. Also disclosed are methods of using such compounds to inhibit the activity of one or both of diacylglycerol kinase alpha (DGK?) and diacylglycerol kinase zeta (DGK?), and pharmaceutical compositions comprising such compounds. These compounds are useful in the treatment of viral infections and proliferative disorders, such as cancer.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: March 23, 2021
    Assignee: Bristol-Myers Squibb Company
    Inventors: Upender Velaparthi, Louis S. Chupak, Chetan Padmakar Darne, Min Ding, Robert G. Gentles, Yazhong Huang, Manjunatha Narayana Rao Kamble, Scott W. Martin, Raju Mannoori, Ivar M. McDonald, Richard E. Olson, Hasibur Rahaman, Prasada Rao Jalagam, Saumya Roy, Gopikishan Tonukunuru, Sivasudar Velaiah, Jayakumar Sankara Warrier, Xiaofan Zheng, John S. Tokarski, Bireshwar Dasgupta, Kotha Rathnakar Reddy, Thiruvenkadam Raja
  • Patent number: 10669272
    Abstract: Disclosed are compounds of Formula (I): or a salt thereof, wherein: R1, R2, R3, R4, R5, and m are defined herein. Also disclosed are methods of using such compounds to inhibit the activity of one or both of diacylglycerol kinase alpha (DGK?) and diacylglycerol kinase zeta (DGK?), and pharmaceutical compositions comprising such compounds. These compounds are useful in the treatment of viral infections and proliferative disorders, such as cancer.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: June 2, 2020
    Assignee: Bristol-Myers Squibb Company
    Inventors: Upender Velaparthi, Louis S. Chupak, Chetan Padmakar Darne, Min Ding, Robert G. Gentles, Yazhong Huang, Manjunatha Narayana Rao Kamble, Scott W. Martin, Raju Mannoori, Ivar M. McDonald, Richard E. Olson, Hasibur Rahaman, Prasada Rao Jalagam, Saumya Roy, Gopikishan Tonukunuru, Sivasudar Velaiah, Jayakumar Sankara Warrier, Xiaofan Zheng, John S. Tokarski, Bireshwar Dasgupta, Kotha Rathnakar Reddy, Thiruvenkadam Raja
  • Publication number: 20200109140
    Abstract: Disclosed are compounds of Formula (I): or a salt thereof, wherein: R1, R2, R3, R4, R5, and m are defined herein. Also disclosed are methods of using such compounds to inhibit the activity of one or both of diacylglycerol kinase alpha (DGK?) and diacylglycerol kinase zeta (DGK?), and pharmaceutical compositions comprising such compounds. These compounds are useful in the treatment of viral infections and proliferative disorders, such as cancer.
    Type: Application
    Filed: June 26, 2019
    Publication date: April 9, 2020
    Inventors: Upender VELAPARTHI, Louis S. Chupak, Chetan Padmakar Darne, Min Ding, Robert G. Gentles, Yazhong Huang, Manjunatha Narayana Rao Kamble, Scott W. Martin, Raju Mannoori, Ivar M. McDonald, Richard E. Olson, Hasibur Rahaman, Prasada Rao Jalagam, Saumya Roy, Gopikishan Tonukunuru, Sivasudar Velaiah, Jayakumar Sankara Warrier, Xiaofan Zheng, John S. Tokarski, Bireshwar Dasgupta, Kotha Rathnakar Reddy, Thiruvenkadam Raja
  • Patent number: 10517870
    Abstract: Disclosed is a compound of Formula (I) or a stereoisomer, tautomer, pharmaceutically acceptable salt, solvate or prodrug thereof, wherein one R3 is H and the other R3 is an aryl group substituted with zero to 3 R3a; and R1, R2, and R3a are defined herein. Also disclosed are methods of using such compounds as PAR4 inhibitors for the inhibition or prevention of platelet aggregation, and the treatment of a thromboembolic disorder or the primary prophylaxis of a thromboembolic disorder. Also disclosed are methods of using such compounds for the treatment of human papillomavirus. Additionally, pharmaceutical compositions comprising at least one compound of Formula (I) are disclosed.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: December 31, 2019
    Assignee: Bristol-Myers Squibb Company
    Inventors: Xiaojun Zhang, Xiaofan Zheng, Louis S. Chupak
  • Publication number: 20180214445
    Abstract: Disclosed is a compound of Formula (I) or a stereoisomer, tautomer, pharmaceutically acceptable salt, solvate or prodrug thereof, wherein one R3 is H and the other R3 is an aryl group substituted with zero to 3 R3a; and R1, R2, and R3a are defined herein. Also disclosed are methods of using such compounds as PAR4 inhibitors for the inhibition or prevention of platelet aggregation, and the treatment of a thromboembolic disorder or the primary prophylaxis of a thromboembolic disorder. Also disclosed are methods of using such compounds for the treatment of human papillomavirus. Additionally, pharmaceutical compositions comprising at least one compound of Formula (I) are disclosed.
    Type: Application
    Filed: July 28, 2016
    Publication date: August 2, 2018
    Inventors: Xiaojun Zhang, Xiaofan Zheng, Louis S. Chupak
  • Patent number: 9872852
    Abstract: Disclosed are compounds of Formula (I): (I). Also disclosed are methods of using such compounds as immunomodulators, and pharmaceutical compositions comprising such compounds. These compounds are useful in treating, preventing, or slowing the progression of virological diseases or disorders and cancer.
    Type: Grant
    Filed: September 2, 2014
    Date of Patent: January 23, 2018
    Assignee: Bristol-Myers Squibb Company
    Inventors: Louis S. Chupak, Xiaofan Zheng
  • Patent number: 9850225
    Abstract: The present disclosure generally relates to compounds useful as immunomodulators. Provided herein are compounds, compositions comprising such compounds, and methods of their use. The disclosure further pertains to pharmaceutical compositions comprising at least one compound according to the disclosure that are useful for the treatment of various diseases, including cancer and infectious diseases.
    Type: Grant
    Filed: April 8, 2015
    Date of Patent: December 26, 2017
    Assignee: Bristol-Myers Squibb Company
    Inventors: Louis S. Chupak, Min Ding, Scott W. Martin, Xiaofan Zheng, Piyasena Hewawasam, Timothy P. Connolly, Ningning Xu, Kap-Sun Yeung, Juliang Zhu, David R. Langley, Paul Michael Scola
  • Publication number: 20160194307
    Abstract: Disclosed are compounds of Formula (I): (I). Also disclosed are methods of using such compounds as immunomodulators, and pharmaceutical compositions comprising such compounds. These compounds are useful in treating, preventing, or slowing the progression of virological diseases or disorders and cancer.
    Type: Application
    Filed: September 2, 2014
    Publication date: July 7, 2016
    Inventors: Louis S. Chupak, Xiaofan Zheng
  • Publication number: 20150291549
    Abstract: The present disclosure generally relates to compounds useful as immunomodulators. Provided herein are compounds, compositions comprising such compounds, and methods of their use. The disclosure further pertains to pharmaceutical compositions comprising at least one compound according to the disclosure that are useful for the treatment of various diseases, including cancer and infectious diseases.
    Type: Application
    Filed: April 8, 2015
    Publication date: October 15, 2015
    Inventors: Louis S. Chupak, Min Ding, Scott W. Martin, Xiaofan Zheng, Piyasena Hewawasam, Timothy P. Connolly, Ningning Xu, Kap-Sun Yeung, Juliang Zhu, David R. Langley, Daniel J. Tenney, Paul Michael Scola
  • Patent number: 8404741
    Abstract: The present disclosure is generally directed to compounds that can inhibit DAGL? and/or ? activity, compositions comprising such compounds, and methods for inhibiting DAGL? and/or ? activity.
    Type: Grant
    Filed: February 11, 2011
    Date of Patent: March 26, 2013
    Assignee: Bristol-Myers Squibb Company
    Inventors: Louis S. Chupak, Xiaofan Zheng, Min Ding, Shuanghua Hu, Yazhong Huang, Robert G. Gentles
  • Patent number: 8354548
    Abstract: The present disclosure is generally directed to compounds that can inhibit DAGL? and/or ? activity, compositions comprising such compounds, and methods for inhibiting DAGL? and/or ? activity.
    Type: Grant
    Filed: February 11, 2011
    Date of Patent: January 15, 2013
    Assignee: Bristol-Myers Squibb Company
    Inventors: Shuanghua Hu, Yazhong Huang, Min Ding, Louis S. Chupak, Xiaofan Zheng, Robert G. Gentles
  • Patent number: 8133884
    Abstract: The invention encompasses compounds of formula I as well as compositions and methods of using the compounds. The compounds have activity against hepatitis C virus (HCV) and are useful in treating those infected with HCV.
    Type: Grant
    Filed: May 4, 2009
    Date of Patent: March 13, 2012
    Assignee: Bristol-Myers Squibb Company
    Inventors: Scott W. Martin, Carl P. Bergstrom, Min Ding, Xiaofan Zheng, Robert G. Gentles
  • Publication number: 20110207749
    Abstract: The present disclosure is generally directed to compounds that can inhibit DAGL? and/or ? activity, compositions comprising such compounds, and methods for inhibiting DAGL? and/or ? activity.
    Type: Application
    Filed: February 11, 2011
    Publication date: August 25, 2011
    Inventors: Louis S. Chupak, Xiaofan Zheng, Min Ding, Shuanghua Hu, Yazhong Huang, Robert G. Gentles
  • Publication number: 20110207772
    Abstract: The present disclosure is generally directed to compounds that can inhibit DAGL? and/or ? activity, compositions comprising such compounds, and methods for inhibiting DAGL? and/or ? activity.
    Type: Application
    Filed: February 11, 2011
    Publication date: August 25, 2011
    Inventors: Shuanghua Hu, Yazhong Huang, Min Ding, Louis S. Chupak, Xiaofan Zheng, Robert G. Gentles