Patents by Inventor Zeqian Li

Zeqian Li 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).

  • Polymorph of triaryldimethylpiperazine dihydrochloride and preparation method and application thereof
    Patent number: 10730851
    Abstract: The application discloses five polymorph forms B, P, F, J, O of (4-((R)-((2S,5R)-4-(3-fluorobenzyl)-(2,5-dimethylpiperazine-1-yl)(3-hydroxyphenyl)methyl)phenyl)(4-methylpiperidine-1-yl)methanone dihydrochloride, preparation methods thereof and application thereof in the manufacture of a medicament for preventing or treating a mood disorder or a disease related to a ? opioid receptor.
    Type: Grant
    Filed: November 21, 2016
    Date of Patent: August 4, 2020
    Assignee: Yunnan Institute of Materia Medica
    Inventors: Jingkun Wang, Zhaoyun Zhu, He Song, Min Sun, Tao Cui, Zeren Wang, Zhi Yang, Min Su, Hongbin Liu, Bing Shi, Yong Mao, Huilang Liu, Zeqian Li, Chunmei Zhao, Mei Su, Fang Yuan, Tiancai Zhang, Yong Liu, Kuanren Zhang, Yunlin Wei, Yuehai Shen
  • POLYMORPH OF TRIARYLDIMETHYLPIPERAZINE DIHYDROCHLORIDE AND PREPARATION METHOD AND APPLICATION THEREOF
    Publication number: 20190270720
    Abstract: The application discloses five polymorph forms B, P, F, J, O of (4-((R)-((2S,5R)-4-(3-fluorobenzyl)-(2,5-dimethylpiperazine-1-yl)(3-hydroxyphenyl)methyl)phenyl)(4-methylpiperidine-1-yl)methanone dihydrochloride, preparation methods thereof and application thereof in the manufacture of a medicament for preventing or treating a mood disorder or a disease related to a ? opioid receptor.
    Type: Application
    Filed: November 21, 2016
    Publication date: September 5, 2019
    Applicant: Yunnan Institute of Materia Medica
    Inventors: Jingkun Wang, Zhaoyun Zhu, He Song, Min Sun, Tao Cui, Zeren Wang, Zhi Yang, Min Su, Hongbin Liu, Bing Shi, Yong Mao, Huilang Liu, Zeqian Li, Chunmei Zhao, Mei Su, Fang Yuan, Tiancai Zhang, Yong Liu, Kuanren Zhang, Yunlin Wei, Yuehai Shen
  • Uninterruptible power supply
    Patent number: D883926
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: May 12, 2020
    Assignee: SCHNEIDER ELECTRIC IT CORPORATION
    Inventors: Shan Wu, Bin Bai, Zeqian Li
  • Surge protector
    Patent number: D938360
    Type: Grant
    Filed: July 17, 2019
    Date of Patent: December 14, 2021
    Assignee: SCHNEIDER ELECTRIC IT CORPORATION
    Inventors: Yi-Ching Chang, Chung-Hui Chen, Zeqian Li
  • Surge protector adaptor
    Patent number: D938361
    Type: Grant
    Filed: July 17, 2019
    Date of Patent: December 14, 2021
    Assignee: SCHNEIDER ELECTRIC IT CORPORATION
    Inventors: Yi-Ching Chang, Chung-Hui Chen, Zeqian Li
  • Surge protector
    Patent number: D971153
    Type: Grant
    Filed: December 13, 2021
    Date of Patent: November 29, 2022
    Assignee: SCHNEIDER ELECTRIC IT CORPORATION
    Inventors: Yi-Ching Chang, Chung-Hui Chen, Zeqian Li