Patents by Inventor Nannan CUI

Nannan CUI 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).

  • CATALYST COMPONENT FOR OLEFIN POLYMERIZATION OR COPOLYMERIZATION AND PREPARATION METHOD THEREFOR, AND APPLICATION
    Publication number: 20230192915
    Abstract: The present disclosure relates to olefin polymerization catalysts, and discloses a catalyst component for olefin polymerization or copolymerization and a preparation method therefor, and a catalyst and an application thereof. The catalyst component for olefin polymerization or copolymerization in the present disclosure comprises titanium element, magnesium element, an electron donor, an organic silicon polymer, and an inorganic oxide support, wherein the molecular composition of the organic silicon polymer is [RxSiO(4-x)/2]m, wherein R is selected from alkyl, aryl, vinyl or oxygen, x is 0 or more and 2 or less, and the value of m makes the number-average molecular weight of the organic silicon polymer be 1×103-1×106 g/mol.
    Type: Application
    Filed: April 26, 2021
    Publication date: June 22, 2023
    Inventors: Nannan CUI, Zifang GUO, Qingqiang GOU, Bingyi LI, Ruen WANG, Yan LI, Jie FU, Lixin YAN, Jingyan AN, Peng KOU, Shiyuan XU, Tongxuan ZHANG