Patents by Inventor Weihe Zhang

Weihe Zhang 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: 20200062764
    Abstract: The present disclosure is concerned with benzo annulene compounds that are capable of inhibiting a Mer tyrosine kinase and/or a Tyro3 tyrosine kinase and methods of treating a bacterial infection, a viral infection, and/or a disorder of uncontrolled cellular proliferation such as, for example, a cancer, using these compounds. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
    Type: Application
    Filed: November 17, 2017
    Publication date: February 27, 2020
    Inventors: Xiaodong Wang, Hongchao Zheng, Jichen Zhao, Weihe Zhang, Stephen V. Frye
  • Patent number: 10562850
    Abstract: Disclosed are compounds of formula I, and pharmaceutically acceptable salts thereof. The compounds are inhibitors of plasma kallikrein. Also provided are pharmaceutical compositions comprising at least one compound of the invention, and methods involving use of the compounds and compositions of the invention in the treatment and prevention of diseases and conditions characterized by unwanted plasma kallikrein activity.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: February 18, 2020
    Assignee: BioCryst Pharmaceuticals, Inc.
    Inventors: Pravin L. Kotian, Yarlagadda S. Babu, V. Satish Kumar, Weihe Zhang, Lakshminarayana Vogeti
  • Publication number: 20190382344
    Abstract: Disclosed are compounds of formula I, II, and III, and pharmaceutically acceptable salts thereof, which are inhibitors of kallikrein. Also provided are pharmaceutical compositions comprising such a compound, and methods involving use of the compounds and compositions in the treatment and prevention of acquired or hereditary angioedema, or other diseases and conditions characterized by aberrant kallikrein activity.
    Type: Application
    Filed: October 27, 2017
    Publication date: December 19, 2019
    Inventors: Pravin L. Kotian, Yarlagadda S. Babu, V. Satish Kumar, Venkat R. Chintareddy, Weihe Zhang, Lakshminarayana Vogeti
  • Publication number: 20190345135
    Abstract: Disclosed are compounds of formulae I and II, and pharmaceutically acceptable salts and prodrugs thereof, which are inhibitors of the complement system. Also provided are pharmaceutical compositions comprising such a compound, and methods of using the compounds and compositions in the treatment or prevention of a disease or condition characterized by aberrant complement system activity.
    Type: Application
    Filed: July 15, 2019
    Publication date: November 14, 2019
    Inventors: Pravin L. Kotian, Yarlagadda S. Babu, Weihe Zhang, Peng-Cheng Lu, Minwan Wu, Wei Lv, Trung Xuan Nguyen, Zhao Dang, Venkat R. Chintareddy, V. Satish Kumar, Krishnan Raman
  • Publication number: 20190322626
    Abstract: Disclosed are compounds of formula I as described herein, and pharmaceutically acceptable salts thereof. The compounds are inhibitors of plasma kallikrein. Also disclosed are pharmaceutical compositions comprising at least one such compound, and methods involving use of the compounds and compositions in the treatment and prevention of diseases and conditions characterized by unwanted plasma kallikrein activity.
    Type: Application
    Filed: May 1, 2019
    Publication date: October 24, 2019
    Inventors: Pravin L. Kotian, Yarlagadda S. Babu, Minwan Wu, Venkat R. Chintareddy, V. Satish Kumar, Weihe Zhang
  • Patent number: 10329260
    Abstract: Disclosed are compounds of formula I as described herein, and pharmaceutically acceptable salts thereof. The compounds are inhibitors of plasma kallikrein. Also disclosed are pharmaceutical compositions comprising at least one such compound, and methods involving use of the compounds and compositions in the treatment and prevention of diseases and conditions characterized by unwanted plasma kallikrein activity.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: June 25, 2019
    Assignee: BioCryst Pharmaceuticals, Inc.
    Inventors: Pravin L. Kotian, Yarlagadda S. Babu, Minwan Wu, Venkat R. Chintareddy, V. Satish Kumar, Weihe Zhang
  • Publication number: 20190142802
    Abstract: Disclosed are compounds of formula I, and pharmaceutically acceptable salts thereof. The compounds are inhibitors of the complement system. Also provided are pharmaceutical compositions comprising a compound of formula I, and methods involving use of the compounds and compositions in the treatment and prevention of diseases and conditions characterized by aberrant complement system activity.
    Type: Application
    Filed: February 1, 2017
    Publication date: May 16, 2019
    Applicant: BioCryst Pharmaceuticals, Inc.
    Inventors: Pravin L. Kotian, Yarlagadda S. Babu, Weihe Zhang, Lakshminarayana Vogeti, Minwan Wu, Venkat R. Chintareddy, Krishhan Raman
  • Patent number: 10179133
    Abstract: Compounds of Formula I: wherein: one of X and X? is N and the other of X and X? is C, are described, along with compositions containing the same and methods of use thereof in the treatment of cancer.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: January 15, 2019
    Assignee: The University of North Carolina at Chapel Hill
    Inventors: Xiaodong Wang, Jing Liu, Weihe Zhang, Stephen Frye, Dmitri Kireev
  • Publication number: 20180362458
    Abstract: Disclosed are compounds of formula I, and pharmaceutically acceptable salts thereof. The compounds are inhibitors of plasma kallikrein. Also provided are pharmaceutical compositions comprising at least one compound of the invention, and methods involving use of the compounds and compositions of the invention in the treatment and prevention of diseases and conditions characterized by unwanted plasma kallikrein activity.
    Type: Application
    Filed: September 30, 2016
    Publication date: December 20, 2018
    Inventors: Pravin L. Kotian, Yarlagadda S. Badu, V. Satish Kumar, Weihe Zhang, Lakshminarayana Vogeti
  • Publication number: 20180354906
    Abstract: Disclosed are compounds of formula I as described herein, and pharmaceutically acceptable salts thereof. The compounds are inhibitors of plasma kallikrein. Also disclosed are pharmaceutical compositions comprising at least one such compound, and methods involving use of the compounds and compositions in the treatment and prevention of diseases and conditions characterized by unwanted plasma kallikrein activity.
    Type: Application
    Filed: June 15, 2018
    Publication date: December 13, 2018
    Inventors: Pravin L. Kotian, Yarlagadda S. Babu, Minwan Wu, Venkat R. Chintareddy, V. Satish Kumar, Weihe Zhang
  • Patent number: 10125102
    Abstract: Disclosed are compounds of formula I as described herein, and pharmaceutically acceptable salts thereof. The compounds are inhibitors of plasma kallikrein. Also disclosed are pharmaceutical compositions comprising at least one such compound, and methods involving use of the compounds and compositions in the treatment and prevention of diseases and conditions characterized by unwanted plasma kallikrein activity.
    Type: Grant
    Filed: March 9, 2015
    Date of Patent: November 13, 2018
    Assignee: BioCryst Pharmaceuticals, Inc.
    Inventors: Pravin L. Kotian, Yarlagadda S. Babu, Minwan Wu, Venkat R. Chintareddy, V. Satish Kumar, Weihe Zhang
  • Publication number: 20180258049
    Abstract: Disclosed are compounds of formula I as described herein, and pharmaceutically acceptable salts thereof. The compounds are inhibitors of plasma kallikrein. Also disclosed are pharmaceutical compositions comprising at least one such compound, and methods involving use of the compounds and compositions in the treatment and prevention of diseases and conditions characterized by unwanted plasma kallikrein activity.
    Type: Application
    Filed: May 11, 2018
    Publication date: September 13, 2018
    Inventors: Pravin L. Kotian, Yarlagadda S. Babu, Minwan Wu, Venkat R. Chintareddy, V. Satish Kumar, Weihe Zhang
  • Patent number: 10004755
    Abstract: Uses of pyrrolopyrimidines with anti-Mer tyrosine kinase activity as anti-infective agents, immunostimulatory and immunomodulatory agents, anti-cancer agents (including against MerTK?/? tumors and ITD and TKD mutant forms of Acute Myeloid Leukemia (AML)), and as adjunctive agents in combination with chemotherapeutic, radiation or other standard of care for neoplasms.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: June 26, 2018
    Assignee: The University of North Carolina at Chapel Hill
    Inventors: Xiaodong Wang, Weihe Zhang, Stephen Frye
  • Publication number: 20180104247
    Abstract: Compounds of Formula I: wherein: one of X and X? is N and the other of X and X? is C, are described, along with compositions containing the same and methods of use thereof in the treatment of cancer.
    Type: Application
    Filed: October 23, 2017
    Publication date: April 19, 2018
    Inventors: Xiaodong Wang, Jing Liu, Weihe Zhang, Stephen Frye, Dmitri Kireev
  • Patent number: 9795606
    Abstract: Compounds of Formula I: wherein: one of X and X? is N and the other of X and X? is C, are described, along with compositions containing the same and methods of use thereof in the treatment of cancer.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: October 24, 2017
    Assignee: The University of North Carolina at Chapel Hill
    Inventors: Xiaodong Wang, Jing Liu, Weihe Zhang, Stephen Frye, Dmitri Kireev
  • Patent number: 9771330
    Abstract: Compounds of Formula I or II: are described, along with pharmaceutical compositions containing the same and methods of using such compounds for the treatment of cancer.
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: September 26, 2017
    Assignee: The University of North Carolina at Chapel Hill
    Inventors: Xiaodong Wang, Weihe Zhang, Stephen V. Frye, Dmitri Kireev, Andrew Louis McIver, Jing Liu
  • Patent number: 9744172
    Abstract: Compound of Formula I: are described, along with pharmaceutically acceptable salts thereof, compositions containing the same, and methods of use thereof in the treatment of cancer.
    Type: Grant
    Filed: February 29, 2016
    Date of Patent: August 29, 2017
    Assignee: The University of North Carolina at Chapel Hill
    Inventors: Xiaodong Wang, Jing Liu, Chao Yang, Weihe Zhang, Stephen Frye, Dmitri Kireev
  • Publication number: 20170136043
    Abstract: Uses of pyrrolopyrimidines with anti-Mer tyrosine kinase activity as anti-infective agents, immunostimulatory and immunomodulatory agents, anti-cancer agents (including against MerTK?/? tumors and ITD and TKD mutant forms of Acute Myeloid Leukemia (AML)), and as adjunctive agents in combination with chemotherapeutic, radiation or other standard of care for neoplasms.
    Type: Application
    Filed: January 30, 2017
    Publication date: May 18, 2017
    Applicant: The University of North Carolina at Chapel Hill
    Inventors: Xiaodong Wang, Weihe Zhang, Stephen Frye
  • Patent number: 9649309
    Abstract: Uses of pyrimidines with anti-Mer tyrosine kinase activity as anti-infective agents, immunostimulatory and immunomodulatory agents, anti-cancer agents (including against MerTK?/? tumors and ITD and TKD mutant forms of Acute Myeloid Leukemia (AML)), and as adjunctive agents in combination with chemotherapeutic, radiation or other standard of care for neoplasms.
    Type: Grant
    Filed: April 3, 2015
    Date of Patent: May 16, 2017
    Assignee: The University of North Carolina at Chapel Hill
    Inventors: Xiaodong Wang, Weihe Zhang, Stephen Frye
  • Publication number: 20170073314
    Abstract: Disclosed are compounds of formula I as described herein, and pharmaceutically acceptable salts thereof. The compounds are inhibitors of plasma kallikrein. Also disclosed are pharmaceutical compositions comprising at least one such compound, and methods involving use of the compounds and compositions in the treatment and prevention of diseases and conditions characterized by unwanted plasma kallikrein activity.
    Type: Application
    Filed: March 9, 2015
    Publication date: March 16, 2017
    Inventors: Pravin L. Kotian, Yarlagadda S. Badu, Minwan Wu, Venkat R. Chintareddy, V. Satish Kumar, Weihe Zhang