Patents by Inventor Lili Wen

Lili Wen 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 dissolving metals by photocatalysis
    Patent number: 11920212
    Abstract: The present invention relates to a method for dissolving metals by photocatalysis. A metal-containing material to be dissolved is dispersed in a mixed solution of photocatalyst-containing cyanide and organic chloride; then, a photocatalyst is added; next, an oxygen-containing gas or a substance which is capable of generating oxygen is introduced; and irradiation is applied for a period of time to dissolve metals. Compared with the prior method, the present invention is advantageous in moderate reaction condition, energy conservation, environmental protection, low cost, and convenient operation, and is suitable for mass industrial treatment on metal dissolution.
    Type: Grant
    Filed: October 10, 2019
    Date of Patent: March 5, 2024
    Assignee: SHANGHAI NORMAL UNIVERSITY
    Inventors: Zhenfeng Bian, Yao Chen, Mengjiao Xu, Lili Lin, Jieya Wen, Yu Wan, Li Liu, Hexing Li
  • 13-hydroxysparteine cinnamic acid derivatives with anti-tumor activities and a method of preparing the same
    Patent number: 10233183
    Abstract: A compound having the following formula I: In formula I, R1 and R2 are independently H, alkyl, alkoxy, and halogen. A method of preparing the compound of formula I is also disclosed.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: March 19, 2019
    Assignee: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Chengyuan Liang, Lei Tian, Yonghong Tang, Minghui Chang, Kaiqi Shi, Xingke Ju, Yuzhi Liu, Lili Wen, Han Li, Xuechuan Wang