Patents by Inventor Yongtang YUE

Yongtang YUE 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
    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