Patents by Inventor Daijun Hao

Daijun Hao 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).

  • Catalytic promoters for the catalytic cracking of hydrocarbons and the preparation thereof
    Patent number: 6677263
    Abstract: Disclosed is a catalytic promoter for fluid catalytic cracking of hydrocarbons, comprising a HZSM-5 zeolite in an amount of 5-65 wt % based on the total weight of the catalytic promoter, said zeolite being modified with Zn and at least one element selected from the group consisting of P, Ga, Al, Ni and rare earth elements, the combined amount of said modifying elements being 0.01-10.37 wt % based on total weight of said modified HZSM-5 zeolite. A reduced olefin content in gasoline from catalytic cracking process, an increased gasoline octane number and an increased lower olefin yield can be obtained using said catalytic promoter.
    Type: Grant
    Filed: August 10, 2001
    Date of Patent: January 13, 2004
    Assignees: China Petro Chemical Corporation, Luoyang Petro-Chemical Engineering Corporation SINOPEC
    Inventors: Longyan Wang, Xiaobo Wei, Danhe Liu, Daijun Hao, Jinlong Liu, Xuhui Gong
  • Catalytic promoters for the catalytic cracking of hydrocarbons and the preparation thereof
    Publication number: 20020061813
    Abstract: Disclosed is a catalytic promoter for fluid catalytic cracking of hydrocarbons, comprising a HZSM-5 zeolite in an amount of 5-65 wt % based on the total weight of the catalytic promoter, said zeolite being modified with Zn and at least one element selected from the group consisting of P, Ga, Al, Ni and rare earth elements, the combined amount of said modifying elements being 0.01-10.37 wt % based on total weight of said modified HZSM-5 zeolite. A reduced olefin content in gasoline from catalytic cracking process, an increased gasoline octane number and an increased lower olefin yield can be obtained using said catalytic promoter.
    Type: Application
    Filed: August 10, 2001
    Publication date: May 23, 2002
    Inventors: Longyan Wang, Xiaobo Wei, Danhe Liu, Daijun Hao, Jinlong Liu, Xuhui Gong