Patents by Inventor Xiaorou LIU

Xiaorou LIU 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: 10668069
    Abstract: A pharmaceutical composition including neptinib is provided. The composition includes neptinib or a pharmaceutically acceptable salt thereof, and an excipient at a low risk of compatibleness. Furthermore, the pharmaceutical composition of the present invention may also include pharmaceutically acceptable organic acid or inorganic acid as a stabilizer. The content of impurity A maintains a non-significant increase in the long-term and accelerated stability investigation for the pharmaceutical composition.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: June 2, 2020
    Assignee: SHENZHEN NEPTUNUS PHARMACEUTICAL RESEARCH INSITUTE CO., LTD
    Inventors: Jingan Yang, Zhiguo Wang, Jing Cui, Xiaorou Liu
  • Patent number: 10640492
    Abstract: Provided are a new tubulin inhibitor and applications thereof, the tubulin inhibitor being a series of compounds based on substituted heterocyclic skeletons, targeting the colchicine binding sites of tubulin. The structure is: Formula (I), wherein: formula (A), n independently expresses an integer between 0 and 5, the condition being that n?5, A represents mono- or poly-substituted groups, the groups being selected from the group consisting of H, C1-C20 amide group, C1-C20 acyloxy group, C1-C20 alkanoyl group, C1-C20 alkoxycarbonyl group, C1-C20 alkoxy group, C1-C20 alkylamino group, C1-C20 alkylcarboxyamino group, aroyl group, aralkanoyl group, carboxyl group, cyano group, halogen group, hydroxyl group, nitro group and methylthienyl group.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: May 5, 2020
    Assignee: SHENZHEN NEPTUNUS PHARMACEUTICAL RESEARCH INSTITUTE CO., LTD.
    Inventors: Tian Tang, Yanqing Wang, Xiaorou Liu, Jin Wang, Ruyi Jin, Hanlin Feng
  • Publication number: 20190225595
    Abstract: Provided are a new tubulin inhibitor and applications thereof, the tubulin inhibitor being a series of compounds based on substituted heterocyclic skeletons, targeting the colchicine binding sites of tubulin. The structure is: Formula (I), wherein: formula (A), n independently expresses an integer between 0 and 5, the condition being that n?5, A represents mono- or poly-substituted groups, the groups being selected from the group consisting of H, C1-C20 amide group, C1-C20 acyloxy group, C1-C20 alkanoyl group, C1-C20 alkoxycarbonyl group, C1-C20 alkoxy group, C1-C20 alkylamino group, C1-C20 alkylcarboxyamino group, aroyl group, aralkanoyl group, carboxyl group, cyano group, halogen group, hydroxyl group, nitro group and methylthienyl group.
    Type: Application
    Filed: September 29, 2017
    Publication date: July 25, 2019
    Inventors: Tian TANG, Yanqing WANG, Xiaorou LIU, Jin WANG, Ruyi JIN, Hanlin FENG
  • Publication number: 20190224201
    Abstract: A pharmaceutical composition including neptinib is provided. The composition includes neptinib or a pharmaceutically acceptable salt thereof, and an excipient at a low risk of compatibleness. Furthermore, the pharmaceutical composition of the present invention may also include pharmaceutically acceptable organic acid or inorganic acid as a stabilizer. The content of impurity A maintains a non-significant increase in the long-term and accelerated stability investigation for the pharmaceutical composition.
    Type: Application
    Filed: September 1, 2017
    Publication date: July 25, 2019
    Inventors: Jingan YANG, Zhiguo WANG, Jing CUI, Xiaorou LIU