Patents by Inventor Zubi Chen

Zubi Chen 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).

  • Patent number: 6416656
    Abstract: This discloses a process for catalytically cracking hydrocarbon stocks in a riser or fluidized bed reactor simultaneously to increase yields of diesel and liquefied gas. The process includes the steps of: first, charging a gasoline stock and a catalytic cracking catalyst into a lower zone of the reactor to permit contact between the catalyst and the gasoline stock and to produce a liquefied gas-rich oil-gas mixture containing reacted catalyst. The resulting liquefied gas-rich oil-gas mixture (still containing reacted catalyst) is then introduced into a reaction zone above the lower zone of the reactor. Simultaneously, at least one conventional catalytic cracking hydrocarbon feed is also fed independently into at least two sites is situated at a different height above the lower zone of the reactor. The resulting mixture is then separated in a conventional fashion.
    Type: Grant
    Filed: June 22, 2000
    Date of Patent: July 9, 2002
    Assignees: China Petrochemical Corporation, Research Institute of Petroleum Processing, Sinopec
    Inventors: Jiushun Zhang, Anguo Mao, Xiaoxiang Zhong, Zhigang Zhang, Zubi Chen, Yamin Wang, Wei Wang, Shuxin Cui, Zeyu Wang, Hua Cui, Ruichi Zhang