Patents by Inventor Yang Sai

Yang Sai 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: 8946249
    Abstract: Compound of Formula A and pharmaceutically acceptable salts thereof and crystalline Forms I and II of Compound of Formula A! Also, methods for the preparation of such compounds, pharmaceutical compositions comprising such compounds, and methods for their uses.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: February 3, 2015
    Assignee: Hutchison Medipharma Limited
    Inventors: Wei-Guo Su, Weihan Zhang, Hong Jia, Yumin Cui, Yongxin Ren, Yang Sai, Zhenping Wu, Wenji Li, Jiangyong Shao, Zhenping Tian
  • Patent number: 8901143
    Abstract: A compound of the following formula: wherein R1, R2, R3, R4, R5, T, U, V, X, Y, Z, G, and Z are defined herein. It also discloses a method of treating an angiogenesis-related disorder, e.g., cancer or age-related macular degeneration, with such a compound.
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: December 2, 2014
    Assignee: Hutchison MediPharma Enterprises Limited
    Inventors: Wei-Guo Su, Hong Jia, Weihan Zhang, Yumin Cui, Xiaoqiang Yan, Yongxin Ren, Jifeng Duan, Yang Sai
  • Publication number: 20140200232
    Abstract: Compound of Formula A and pharmaceutically acceptable salts thereof and crystalline Forms I and II of Compound of Formula A! Also, methods for the preparation of such compounds, pharmaceutical compositions comprising such compounds, and methods for their uses.
    Type: Application
    Filed: December 12, 2013
    Publication date: July 17, 2014
    Applicant: HUTCHISON MEDIPHARMA LIMITED
    Inventors: WEI-GUO SU, WEIHAN ZHANG, HONG JIA, YUMIN CUI, YONGXIN REN, YANG SAI, ZHENPING WU, WENJI LI, JIANGYONG SHAO, ZHENPING TIAN
  • Patent number: 8658658
    Abstract: Compound of Formula A and pharmaceutically acceptable salts thereof and crystalline Forms I and II of Compound of Formula A! Also, methods for the preparation of such compounds, pharmaceutical compositions comprising such compounds, and methods for their uses.
    Type: Grant
    Filed: November 23, 2010
    Date of Patent: February 25, 2014
    Assignee: Hutchison MediPharma Limited
    Inventors: Wei-Guo Su, Weihan Zhang, Hong Jia, Yumin Cui, Yongxin Ren, Yang Sai, Zhenping Wu, Wenji Li, Jiangyong Shao, Zhenping Tian
  • Patent number: 8349859
    Abstract: A compound of the following formula: wherein R1, R2, R3, R4, R5, T, U, V, X, Y, Z, G, and Z are defined herein. It also discloses a method of treating an angiogenesis-related disorder, e.g., cancer or age-related macular degeneration, with such a compound.
    Type: Grant
    Filed: April 16, 2008
    Date of Patent: January 8, 2013
    Assignee: Hutchison Medipharma Enterprises Limited
    Inventors: Wei-Guo Su, Hong Jia, Weihan Zhang, Yumin Cui, Xiaoqiang Yan, Yongxin Ren, Jifeng Duan, Yang Sai
  • Publication number: 20120270889
    Abstract: Compound of Formula A and pharmaceutically acceptable salts thereof and crystalline Forms I and II of Compound of Formula A! Also, methods for the preparation of such compounds, pharmaceutical compositions comprising such compounds, and methods for their uses.
    Type: Application
    Filed: November 23, 2010
    Publication date: October 25, 2012
    Inventors: Wei-Guo Su, Weihan Zhang, Hong Jia, Yumin Cui, Yongxin Ren, Yang Sai, Zhenping Wu, Wenji Li, Jiangyong Shao, Zhenping Tian
  • Patent number: 7737157
    Abstract: Pyrimidine compounds of the following formula: wherein R1, R2, R3, R4, R5, X, Q1, Q2, and Q3 are defined herein. Also disclosed is a method of treating cancer with one of these compounds.
    Type: Grant
    Filed: August 29, 2008
    Date of Patent: June 15, 2010
    Assignee: Hutchison MediPharma Enterprises Limited
    Inventors: Wei-Guo Su, Hong Jia, Rick B. Ye, Yang Sai
  • Publication number: 20100056512
    Abstract: Pyrimidine compounds of the following formula: wherein R1, R2, R3, R4, R5, X, Q1, Q2, and Q3 are defined herein. Also disclosed is a method of treating cancer with one of these compounds.
    Type: Application
    Filed: August 29, 2008
    Publication date: March 4, 2010
    Applicant: Hutchison MediPharma Enterprises Limited
    Inventors: Wei-Guo Su, Hong Jia, Rick B. Ye, Yang Sai
  • Publication number: 20080255172
    Abstract: A compound of the following formula: wherein R1, R2, R3, R4, R5,T, U, V, X, Y, Z, G, and Z are defined herein. It also discloses a method of treating an angiogenesis-related disorder, e.g., cancer or age-related macular degeneration, with such a compound.
    Type: Application
    Filed: April 16, 2008
    Publication date: October 16, 2008
    Applicant: Hutchison MediPharma Enterprises Limeted
    Inventors: Wei-Guo Su, Hong Jia, Weihan Zhang, Yumin Cui, Xiaoqiang Yan, Yongxin Ren, Jifeng Duan, Yang Sai