Patents by Inventor Lihui QIAN

Lihui QIAN 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: 20240182482
    Abstract: Disclosed in the present invention are a fused cyclic compound as a Wee-1 inhibitor, a preparation method therefor and use thereof. Specifically, the present invention relates to a compound of general formula (1), a preparation method therefor, and use of the compound of general formula (1) or an isomer, a crystalline form, a pharmaceutically acceptable salt, a hydrate or a solvate thereof as a Wee-1 inhibitor in the preparation of an anti-tumor drug.
    Type: Application
    Filed: April 28, 2022
    Publication date: June 6, 2024
    Inventors: Yuli XIE, Houxing FAN, Lihui QIAN
  • Publication number: 20240182447
    Abstract: The present invention discloses a fused cyclic compound as a Wee-1 inhibitor. Specifically, the present invention relates to a compound of general formula (1), a method for preparing same, and use of the compound of general formula (1) or an isomer, a crystalline form, a pharmaceutically acceptable salt, a hydrate or a solvate thereof as a Wee-1 inhibitor in the preparation of an anti-tumor drug.
    Type: Application
    Filed: February 15, 2022
    Publication date: June 6, 2024
    Inventors: Yuli XIE, Yingming WU, Houxing FAN, Lihui QIAN
  • Publication number: 20240158369
    Abstract: The present invention discloses a pyrimidine compound as a Wee-1 inhibitor. Specifically, the present invention relates to a compound of general formula (1), a method for preparing same, and use of the compound of general formula (1) or an isomer, a crystalline form, a pharmaceutically acceptable salt, a hydrate or a solvate thereof as a Wee-1 inhibitor in preparing an anti-tumor medicament.
    Type: Application
    Filed: February 17, 2022
    Publication date: May 16, 2024
    Inventors: Yuli XIE, Yingming WU, Houxing FAN, Lihui QIAN
  • Publication number: 20240091892
    Abstract: The present disclosure discloses a rolling ring shrink fitting tool for rotary equipment, including a lifting frame; a movement slot is formed in a bottom surface of a top of the lifting frame; an output end of a first motor is connected with a main gear; guide rollers are embedded in a lifting seat through bearings; shrink fitting plates are two semicircular structures; lifting lugs are welded on outer sides of the shrink fitting plates; tooth rings are arranged outside the shrink fitting plates; stop rods are fixed on inner walls of the tooth rings; supporting screw rods are embedded at sunken positions on inner walls of the shrink fitting plates through bearings.
    Type: Application
    Filed: November 27, 2023
    Publication date: March 21, 2024
    Inventors: Le LI, Rui YANG, Huaijun JI, Qianbiao XU, Haoji DENG, Yongjie SUN, Hong YANG, Yincheng ZHOU, Bo HU, Jie REN, Lie WANG, Longfei MIAO, Hansi BAI, Tiantian HU, Jinxin ZHAO, Yizhuan QIAN, Changbao CHEN, Xingzheng YANG, Xiaoli GUO, Lihui DU
  • Patent number: 11926004
    Abstract: The present disclosure discloses a rolling ring shrink fitting tool for rotary equipment, including a lifting frame; a movement slot is formed in a bottom surface of a top of the lifting frame; an output end of a first motor is connected with a main gear; guide rollers are embedded in a lifting seat through bearings; shrink fitting plates are two semicircular structures; lifting lugs are welded on outer sides of the shrink fitting plates; tooth rings are arranged outside the shrink fitting plates; stop rods are fixed on inner walls of the tooth rings; supporting screw rods are embedded at sunken positions on inner walls of the shrink fitting plates through bearings.
    Type: Grant
    Filed: November 27, 2023
    Date of Patent: March 12, 2024
    Assignee: ZHONGJIAN WUZHOU ENGINEERING EQUIPMENT CO., LTD
    Inventors: Le Li, Rui Yang, Huaijun Ji, Qianbiao Xu, Haoji Deng, Yongjie Sun, Hong Yang, Yincheng Zhou, Bo Hu, Jie Ren, Lie Wang, Longfei Miao, Hansi Bai, Tiantian Hu, Jinxin Zhao, Yizhuan Qian, Changbao Chen, Xingzheng Yang, Xiaoli Guo, Lihui Du
  • Publication number: 20230416270
    Abstract: The present invention provides a camptothecin derivative, a composition comprising the same and use thereof. Specifically, the present invention provides a compound of formula (1) and a preparation method therefor, and use of the compound of general formula (1) and optical isomers, crystalline forms and pharmaceutically acceptable salts thereof in the preparation of a medicament for treating cancer.
    Type: Application
    Filed: December 9, 2021
    Publication date: December 28, 2023
    Inventors: Yuli XIE, Gang CAO, Houxing FAN, Lihui QIAN
  • Publication number: 20230174550
    Abstract: The present invention relates to a compound of general formula (1a) or general formula (1b) and a method for preparing the same, and use of the compound of general formula (1a) or general formula (1b) and an isomer, a crystalline form, a pharmaceutically acceptable salt, a hydrate or a solvate thereof as an irreversible inhibitor for an IDH mutant in preparing a medicament for resisting a diseases such as a tumor related to an IDH mutant protein.
    Type: Application
    Filed: June 28, 2021
    Publication date: June 8, 2023
    Inventors: Yuli XIE, Houxing FAN, Lihui QIAN
  • Publication number: 20230167099
    Abstract: The present invention relates to a compound as represented by general formula (1), and a preparation method therefor, and the use of the compound as represented by general formula (1) and an isomer, a crystal form, a pharmaceutically acceptable salt, a hydrate or a solvate thereof as an EGFR inhibitor in the preparation of a drug against EGFR-related diseases, such as tumors.
    Type: Application
    Filed: June 1, 2021
    Publication date: June 1, 2023
    Inventors: Yuli XIE, Yingming WU, Houxing FAN, Lihui QIAN
  • Publication number: 20230159540
    Abstract: The present invention relates to a novel compound of general formula (1) and/or a pharmaceutically acceptable salt thereof, a composition containing the compound of general formula (1) and/or the pharmaceutically acceptable salt thereof, a method for preparing the same, and use of the same as a Wee-1 inhibitor in preparing anti-tumor drugs.
    Type: Application
    Filed: June 16, 2021
    Publication date: May 25, 2023
    Inventors: Yuli XIE, Houxing FAN, Lihui QIAN
  • Publication number: 20230128824
    Abstract: The present invention relates to a compound of general formula (1) and a preparation method therefor, and use of the compound of formula (1) and isomers, crystalline forms and pharmaceutically acceptable salts thereof as an irreversible inhibitor for a K-Ras G12C mutant protein in preparing a medicament for resisting Ras-related diseases such as tumors.
    Type: Application
    Filed: March 23, 2021
    Publication date: April 27, 2023
    Inventors: Yuli XIE, Houxing FAN, Gang CAO, Lihui QIAN
  • Publication number: 20230130909
    Abstract: The present invention relates to a compound of general formula (1) and a preparation method therefor and use of the compound of general formula (1) or isomers, crystalline forms, pharmaceutically acceptable salts, hydrates or solvates thereof as an HPK1 inhibitor. The compound of the present invention can be used for preparing a medicament for treating or preventing related diseases mediated by HPK1.
    Type: Application
    Filed: April 19, 2021
    Publication date: April 27, 2023
    Inventors: Yuli XIE, Houxing FAN, Lihui QIAN
  • Publication number: 20230002382
    Abstract: The present invention relates to a spiro ring-containing quinazoline compound, a preparation method therefor, and use of the compound as a K-Ras G12C inhibitor in preparing antitumor medicaments.
    Type: Application
    Filed: December 25, 2020
    Publication date: January 5, 2023
    Inventors: Yuli XIE, Houxing FAN, Gang CAO, Lihui QIAN
  • Publication number: 20220340565
    Abstract: The invention relates to a series of new pyrrole compounds and preparation methods and uses thereof. Specifically, the present invention relates to compounds as shown in general formula (1) and the preparation method thereof, and the uses of the compound shown in general formula (1) and optical isomers, crystal forms and pharmaceutically acceptable salts in preparation of drugs for prevention or treatment of diseases related to fungal infection.
    Type: Application
    Filed: December 2, 2020
    Publication date: October 27, 2022
    Inventors: Yuli XIE, Houxing FAN, Lihui QIAN
  • Publication number: 20220324857
    Abstract: The invention relates to a type of novel pyridine compound and a preparation method and application thereof. Specifically, the invention relates to a compound of formula (1) and a preparation method thereof, and an application of the compound of formula (1) and pharmaceutically acceptable salts thereof as aurora kinase inhibitors in preparation of anti-tumor drugs.
    Type: Application
    Filed: December 2, 2020
    Publication date: October 13, 2022
    Inventors: Yuli XIE, Houxing FAN, Lihui QIAN