Patents by Inventor Honghong Shang

Honghong Shang 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).

  • 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