Patents by Inventor Xianghong ZHONG

Xianghong ZHONG 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).

  • Patent number: 10179331
    Abstract: A ligand based chromium catalyst and application in catalyzing ethylene oligomerization are disclosed. The chromium catalyst is formed by a chromium compound and an organic ligand containing P and/or N. The substituents on N and P of the ligand can be replaced, whereby selective ethylene trimerization and tetramerization can be realized so as to produce 1-hexene and 1-octene at the same time.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: January 15, 2019
    Assignees: CHINA PETROLEUM & CHEIMCAL CORPORATION, XIAMEN UNIVERSITY, SHANGHAI RESEARCH INSTITUTE OF CHEMICAL INDUSTRY
    Inventors: Xianghong Zhong, Hongping Zhu, Xiaofeng Ye, Yucai Cao, Shengbiao Liang, Zhenyu Liu, Shumeng Xiao, Rui Liu, Yanfang Huang, Jiancheng Li
  • Publication number: 20170106358
    Abstract: A ligand based chromium catalyst and application in catalyzing ethylene oligomerization are disclosed. The chromium catalyst is formed by a chromium compound and an organic ligand containing P and/or N. The substituents on N and P of the ligand can be replaced, whereby selective ethylene trimerization and tetramerization can be realized so as to produce 1-hexene and 1-octene at the same time.
    Type: Application
    Filed: October 19, 2016
    Publication date: April 20, 2017
    Inventors: Xianghong ZHONG, Hongping ZHU, Xiaofeng YE, Yucai CAO, Shengbiao LIANG, Zhenyu LIU, Shumeng XIAO, Rui LIU, Yanfang HUANG, Jiancheng LI