Patents by Inventor Yongfu Ma

Yongfu Ma 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).

  • MACROCYCLIC TLR7 AGONIST, PREPARATION METHOD THEREFOR, PHARMACEUTICAL COMPOSITION AND USE THEREOF
    Publication number: 20240124486
    Abstract: A macrocyclic TLR7 agonist, a preparation method therefor, a pharmaceutical composition and use thereof. The macrocyclic TLR7 agonist disclosed is as represented by formula I, has good TLR7 agonistic activity, and can be used for treating or preventing tumors or infections caused by viruses.
    Type: Application
    Filed: September 26, 2021
    Publication date: April 18, 2024
    Inventors: Guozhi TANG, Dawei MA, Mengwei HUANG, Yongfu LIU, Yingyi WANG
  • Dehydrogenating catalyst for saturate hydrocarbons
    Patent number: 5358920
    Abstract: A dehydrogenating catalyst for saturated hydrocarbons comprising platinum, tin, sodium and .tau.-alumina. The support of the catalyst is a large pore diameter .tau.-Al.sub.2 O.sub.3 with dual pore diameter distribution. At least 40% of the total pore volume is contributed by pores with pore diameter in the range of 1000-10000 .ANG.. Platinum, tin, and sodium are impregnated onto support by co-impregnation method, followed by drying, calcinating, and steam-treating, as well as reducing by hydrogen, to prepare a long life dehydrogenating catalyst.
    Type: Grant
    Filed: November 19, 1993
    Date of Patent: October 25, 1994
    Assignees: China Petro-Chemical Corporation, Jing Ling Petrochemical Company, Sinopec
    Inventors: Yongfu Ma, Peicheng Wu, Yong Sun, Sangjian Zhu, Yuexin Huang, Weiying Yang, Kaiwen Yao, Youreng Zou