Patents by Inventor Genlin Niu

Genlin Niu 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 process and the device used therein
    Patent number: 7316773
    Abstract: The present invention relates to a catalytic cracking process and a device used in the process in particular, the present invention provides a catalytic cracking process, which comprises which comprises: 1) catalytic cracking a feedstock in the first riser for less than about 1.5 second and sending the resultant stream into the first separating device,; 2) catalytic cracking the recycle oil obtained from the first separating device in the second riser for less than about 1.
    Type: Grant
    Filed: March 15, 2004
    Date of Patent: January 8, 2008
    Assignees: Petrochina Company Limited, University of Petroleum China
    Inventors: Jianfang Zhang, An Ma, Honghong Shan, Chaohe Yang, Genlin Niu, Yongshan Tu, Feng Du, Yudong Sun, Zheng Li, Chunyi Li, Zhongxiang Han
  • Catalytic cracking process and the device used therein
    Publication number: 20040178120
    Abstract: The present invention relates to a catalytic cracking process and a device used in the process in particular, the present invention provides a catalytic cracking process, which comprises which comprises:
    Type: Application
    Filed: March 15, 2004
    Publication date: September 16, 2004
    Inventors: Jianfang Zhang, An Ma, Honghong Shan, Chaohe Yang, Genlin Niu, Yongshan Tu, Feng Du, Yudong Sun, Zheng Li, Chunyi Li, Zhongxiang Han
  • Two-stage riser catalytic cracking process
    Publication number: 20020108887
    Abstract: This invention relates to a new two-stage riser catalytic cracking process, particularly to an improvement of the conventional riser reactor and reaction-regeneration system by application of a two-stage riser reactor to fulfill the aims of the concatenation of oil-vapor, catalyst in relays as result in shortening reaction time and increasing average performance of the catalyst.
    Type: Application
    Filed: December 13, 2001
    Publication date: August 15, 2002
    Applicant: PetroChina Company Limited and University of Petroleum (East China)
    Inventors: Jianfang Zhang, Honghong Shang, Chaohe Yang, An Ma, Genlin Niu, Feng Du, Yudong Sun, Zheng Li, Chunyi Li, Zhongxiang Han, Aijun Duan