Patents by Inventor Changyou Zhou

Changyou Zhou 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: 10576087
    Abstract: Provided are certain fused tricyclic compounds and salts thereof, compositions thereof, and methods of use therefor.
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: March 3, 2020
    Assignee: BEIGENE, LTD.
    Inventors: Changyou Zhou, Shaohui Wang, Guoliang Zhang
  • Patent number: 10562899
    Abstract: Provided are certain fused tricyclic urea compounds and salts thereof, compositions thereof, and methods of use therefor.
    Type: Grant
    Filed: January 9, 2019
    Date of Patent: February 18, 2020
    Assignee: BEIGENE, LTD.
    Inventors: Changyou Zhou, Guoliang Zhang
  • Publication number: 20200030339
    Abstract: Disclosed herein is a method for the prevention, delay of progression or treatment of cancer in a subject, comprising administering to the subject in need thereof a PARP inhibitor, particularly, (R)-2-fluoro-10a-methyl-7,8,9,10,10a,11-hexahydro-5,6,7a,11-tetraazacyclohepta[def]cyclopenta[a]fluoren-4(5H)-one, a sesqui-hydrate thereof, or a pharmaceutically acceptable salt thereof, in combination with an immune checkpoint inhibitor or a chemotherapeutic agent. Also, disclosed a pharmaceutical combination comprising a PARP inhibitor, particularly, (R)-2-fluoro-10a-methyl-7,8,9,10,10a,11-hexahydro-5,6,7a,11-tetraazacyclohepta[def]cyclopenta[a]fluoren-4(5H)-one, a sesqui-hydrate thereof, or a pharmaceutically acceptable salt thereof, in combination with an immune checkpoint inhibitor, or a chemotherapeutic agent and the use thereof.
    Type: Application
    Filed: September 27, 2017
    Publication date: January 30, 2020
    Inventors: Lai Wang, Zhiyu Tang, Lusong Luo, Min Wei, Kang Li, Jing Song, Tong Zhang, Hexiang Wang, Bo Ren, Changyou Zhou
  • Publication number: 20200024273
    Abstract: Disclosed herein are 5 or 8-substituted imidazo [1, 5-a] pyridines and pharmaceutical compositions comprising at least one such 5 or 8-substituted imidazo [1, 5-a] pyridines, processes for the preparation thereof and the use thereof in therapy. Disclosed herein are certain 5 or 8-substituted imidazo [1, 5-a] pyridines that can be useful for inhibiting indoleamine 2, 3-dioxygenase and/or tryptophane 2, 3-dioxygenase and for treating diseases or disorders mediated thereby.
    Type: Application
    Filed: September 23, 2017
    Publication date: January 23, 2020
    Inventors: Hexiang Wang, Yunhang Guo, Bo Ren, Zhiwei Wang, Guoliang Zhang, Changyou Zhou
  • Patent number: 10501467
    Abstract: Provided are certain fused tetra or penta-cyclic compounds and salts thereof, compositions thereof, and methods of use thereof.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: December 10, 2019
    Assignee: BEIGENE, LTD.
    Inventors: Changyou Zhou, Bo Ren, Hexiang Wang
  • Patent number: 10457680
    Abstract: Provided are a process for preparing a Parp1/2 inhibitor, i.e., (R)-2-fluoro-10a-methyl-7,8,9,10,10a,11-hexahydro-5,6,7a,11-tetraazacyclohepta[def]cyclopenta[a]fluoren-4(5H)-one (hereinafter referred to as Compound A), crystalline forms (poly-morphs) of Compound A or hydrate or solvate thereof, methods for preparing the crystalline forms, and the use thereof.
    Type: Grant
    Filed: August 22, 2016
    Date of Patent: October 29, 2019
    Assignee: BEIGENE, LTD.
    Inventors: Hexiang Wang, Changyou Zhou, Bo Ren, Xianzhao Kuang
  • Publication number: 20190284184
    Abstract: Disclosed herein are 5 or 8-substituted imidazo[1,5-a]pyridines and pharmaceutical compositions comprising at least one such 5 or 8-substituted imidazo[1,5-a]pyridines, processes for the preparation thereof, and the use thereof in therapy. Disclosed herein are certain 5 or 8-substituted imidazo[1,5-a]pyridines that can be useful for inhibiting indoleamine 2,3-dioxygenase and/or tryptophane 2,3-dioxygenase and for treating diseases or disorders mediated thereby.
    Type: Application
    Filed: March 27, 2019
    Publication date: September 19, 2019
    Inventors: Hexiang Wang, Guoliang Zhang, Yunhang Guo, Bo Ren, Zhiwei Wang, Changyou Zhou
  • Patent number: 10351559
    Abstract: The invention relates to 5-(((1R,1aS,6bR)-1-(6-(trifluoromethyl)-1H-benzo [d] imidazol-2-yl)-1a,6b-dihydro-1H-cyclopropa [b] benzofuran-5-yl) oxy)-3,4-dihydro-1, 8-naphthyridin-2 (1H)-one (Compound 1) maleate salts, in particular the sesqui-maleate salt and its crystalline forms, methods of preparation, pharmaceutical compositions, and therapeutic uses for treatment of diseases or disorders mediated by BRAF or other kinases.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: July 16, 2019
    Assignee: BEIGENE, LTD.
    Inventors: Guoliang Zhang, Changyou Zhou
  • Publication number: 20190177325
    Abstract: Provided are a process for preparing a Parp1/2 inhibitor, i.e., (R)-2-fluoro-10a-methyl-7,8,9,10,10a,11-hexahydro-5,6,7a,11-tetraazacyclohepta[def]cyclopenta[a]fluoren-4(5H)-one (hereinafter referred to as Compound A), crystalline forms (poly-morphs) of Compound A or hydrate or solvate thereof, methods for preparing the crystalline forms, and the use thereof.
    Type: Application
    Filed: August 22, 2016
    Publication date: June 13, 2019
    Inventors: Hexiang WANG, Changyou Zhou, Bo Ren, Xianzhao Kuang
  • Publication number: 20190144446
    Abstract: Provided are certain fused tricyclic urea compounds and salts thereof, compositions thereof, and methods of use therefor.
    Type: Application
    Filed: January 9, 2019
    Publication date: May 16, 2019
    Inventors: Changyou ZHOU, Guoliang Zhang
  • Patent number: 10280163
    Abstract: Disclosed herein are 5 or 8-substituted imidazo[1,5-a]pyridines and pharmaceutical compositions comprising at least one such 5 or 8-substituted imidazo[1,5-a]pyridines, processes for the preparation thereof, and the use thereof in therapy. Disclosed herein are certain 5 or 8-substituted imidazo[1,5-a]pyridines that can be useful for inhibiting indoleamine 2,3-dioxygenase and/or tryptophane 2,3-dioxygenase and for treating diseases or disorders mediated thereby.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: May 7, 2019
    Assignee: BEIGENE, LTD.
    Inventors: Hexiang Wang, Guoliang Zhang, Yunhang Guo, Bo Ren, Zhiwei Wang, Changyou Zhou
  • Patent number: 10208038
    Abstract: Provided are certain fused tricyclic urea compounds and salts thereof, compositions thereof, and methods of use therefor.
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: February 19, 2019
    Assignee: BEIGENE, LTD.
    Inventors: Changyou Zhou, Guoliang Zhang
  • Publication number: 20190016731
    Abstract: Provided are certain fused term or penta-cyclic compounds and salts thereof, compositions thereof, and methods of use thereof.
    Type: Application
    Filed: September 19, 2018
    Publication date: January 17, 2019
    Inventors: Changyou ZHOU, Bo Ren, Hexiang Wang
  • Publication number: 20190000857
    Abstract: Provided are certain fused tricyclic compounds and salts thereof, compositions thereof and methods of use therefor.
    Type: Application
    Filed: January 29, 2018
    Publication date: January 3, 2019
    Inventors: Changyou Zhou, Shaohui Wang, Guoliang Zhang
  • Patent number: 10112952
    Abstract: Provided are certain fused tetra or penta-cyclic compounds and salts thereof, compositions thereof, and methods of use thereof.
    Type: Grant
    Filed: April 5, 2017
    Date of Patent: October 30, 2018
    Assignee: BEIGENE, LTD.
    Inventors: Changyou Zhou, Bo Ren, Hexiang Wang
  • Publication number: 20180282326
    Abstract: Provided are certain fused tricyclic urea compounds and salts thereof, compositions thereof, and methods of use therefor.
    Type: Application
    Filed: January 29, 2018
    Publication date: October 4, 2018
    Inventors: Changyou ZHOU, Guoliang Zhang
  • Publication number: 20180127412
    Abstract: The invention relates to 5-(((1R,1aS,6bR)-1-(6-(trifluoromethyl)-1H-benzo [d] imidazol-2-yl)-1a,6b-dihydro-1H-cyclopropa [b] benzofuran-5-yl) oxy)-3,4-dihydro-1,8-naphthyridin-2 (1H)-one (Compound 1) maleate salts, in particular the sesqui-maleate salt and its crystalline forms, methods of preparation, pharmaceutical compositions, and therapeutic uses for treatment of diseases or disorders mediated by BRAF or other kinases.
    Type: Application
    Filed: April 4, 2016
    Publication date: May 10, 2018
    Inventors: Gouliang ZHANG, Changyou ZHOU
  • Patent number: 9920055
    Abstract: Provided are certain fused tricyclic urea compounds and salts thereof, compositions thereof, and methods of use therefor.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: March 20, 2018
    Assignee: BEIGENE, LTD.
    Inventors: Changyou Zhou, Guoliang Zhang
  • Publication number: 20180072716
    Abstract: Disclosed herein are 5 or 8-substituted imidazo[1,5-a]pyridines and pharmaceutical compositions comprising at least one such 5 or 8-substituted imidazo[1,5-a]pyridines, processes for the preparation thereof, and the use thereof in therapy. Disclosed herein are certain 5 or 8-substituted imidazo[1,5-a]pyridines that can be useful for inhibiting indoleamine 2,3-dioxygenase and/or tryptophan 2,3-dioxygenase and for treating diseases or disorders mediated thereby.
    Type: Application
    Filed: April 8, 2016
    Publication date: March 15, 2018
    Inventors: Hexiang WANG, Gouliang ZHANG, Yunhang GUO, Bo REN, Zhiwei WANG, Changyou ZHOU
  • Patent number: 9895376
    Abstract: Provided are certain fused tricyclic compounds and salts thereof, compositions thereof, and methods of use therefor.
    Type: Grant
    Filed: January 22, 2016
    Date of Patent: February 20, 2018
    Assignee: BEIGENE, LTD.
    Inventors: Changyou Zhou, Shaohui Wang, Guoliang Zhang