Patents by Inventor Jicheng HU

Jicheng HU 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).

  • Method for preparing (S)-nicotine by reduction
    Patent number: 12319947
    Abstract: A method for preparing (S)-nicotine by reduction includes conducting a reduction process on an alkene compound as shown in Formula I and/or an iminium cation compound as shown in Formula II, thereby producing (S)-nicotine. The method is simple, safe, reliable, and yields both high purity and high quantities of (S)-nicotine production.
    Type: Grant
    Filed: November 28, 2023
    Date of Patent: June 3, 2025
    Assignee: PORTON PHARMA SOLUTIONS LTD.
    Inventors: Wenqing Lin, Hongjie Zheng, Xiaobo Liu, Zecong Chen, Lingyu Li, Qingjun Zhou, Songhe Wang, Yongtang Yue, Jicheng Hu, Yue Zhang, Shanshan Miao
  • METHOD FOR PREPARING (S)-NICOTINE BY REDUCTION
    Publication number: 20240124908
    Abstract: A method for preparing (S)-nicotine by reduction includes conducting a reduction process on an alkene compound as shown in Formula I and/or an iminium cation compound as shown in Formula II, thereby producing (S)-nicotine. The method is simple, safe, reliable, and yields both high purity and high quantities of (S)-nicotine production.
    Type: Application
    Filed: November 28, 2023
    Publication date: April 18, 2024
    Inventors: Wenqing LIN, Hongjie ZHENG, Xiaobo LIU, Zecong CHEN, Lingyu LI, Qingjun ZHOU, Songhe WANG, Yongtang YUE, Jicheng HU, Yue ZHANG, Shanshan MIAO
  • Crystal of cyclic peptide compound, preparation method for same and uses thereof
    Patent number: 10138274
    Abstract: Disclosed is a novel polymorph of a cyclic peptide compound, the structure whereof is represented by formula I; also disclosed are a preparation method for same and uses thereof.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: November 27, 2018
    Assignee: SHANGHAI TECHWELL BIOPHARMACEUTICAL CO., LTD
    Inventors: Shidong Liu, Xiusheng Wang, Jicheng Hu, Xiaoming Ji
  • CRYSTAL OF CYCLIC PEPTIDE COMPOUND, PREPARATION METHOD FOR SAME AND USES THEREOF
    Publication number: 20170198013
    Abstract: Disclosed is a novel polymorph of a cyclic peptide compound, the structure whereof is represented by formula I; also disclosed are a preparation method for same and uses thereof.
    Type: Application
    Filed: May 29, 2015
    Publication date: July 13, 2017
    Inventors: Shidong LIU, Xiusheng WANG, Jicheng HU, Xiaoming JI