Patents by Inventor Zhanfeng Zhang

Zhanfeng Zhang 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 cracking reaction-regeneration system
    Patent number: 7077998
    Abstract: A catalytic cracking reaction-regeneration system, comprising a regenerator, a settler, a gas-solid separator, a buffer, a riser reactor, a horizontal reaction tube, a catalyst delivery pipe, and a down-flow reactor. This system can be used for experiments and researches on various processes such as riser catalytic cracking, sectional feeding, instantaneous contact, and down-flow catalytic cracking and can be used for catalyst evaluation tests. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.
    Type: Grant
    Filed: November 27, 2002
    Date of Patent: July 18, 2006
    Inventors: Xuefeng Wu, Jun He, Zhanfeng Zhang, Xianglin Yu, Xiaoxiang Zhong
  • Catalytic cracking reaction-regeneration system
    Publication number: 20030124034
    Abstract: A catalytic cracking reaction-regeneration system, comprising a regenerator, a settler, a gas-solid separator, a buffer, a riser reactor, a horizontal reaction tube, a catalyst delivery pipe, and a down-flow reactor. This system can be used for experiments and researches on various processes such as riser catalytic cracking, sectional feeding, instantaneous contact, and down-flow catalytic cracking and can be used for catalyst evaluation tests. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.
    Type: Application
    Filed: November 27, 2002
    Publication date: July 3, 2003
    Applicant: CHINA PETROLEUM & CHEMICAL CORPORATION
    Inventors: Xuefeng Wu, Jun He, Zhanfeng Zhang, Xianglin Yu, Xiaoxiang Zhong