Patents by Inventor Scott Y. Zhang

Scott Y. 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).

  • Modified riser-reactor reforming process
    Patent number: 5565090
    Abstract: A catalytic reforming process uses a riser reactor with multiple catalyst injection points to obtain high aromatics yields from a naphtha feedstock. Product from the riser reactor typically is discharged into a fluidized-reforming reactor, in which the reforming reaction is completed and catalyst is separated from hydrogen and hydrocarbons. Hydrocarbons from the reactor are separated to recover an aromatized product. Catalyst is regenerated to remove coke and reduced for reuse in the reforming process.
    Type: Grant
    Filed: November 25, 1994
    Date of Patent: October 15, 1996
    Assignee: UOP
    Inventors: Christopher D. Gosling, Scott Y. Zhang, Paula L. Bogdan
  • Fluidized solid bed motor fuel alkylation process
    Patent number: 5489732
    Abstract: Hydrocarbons are alkylated in a fluidized riser-reactor using a solid catalyst which is regenerated within the process by contact with hydrogen. The alkylation and regeneration steps are separated to prevent the admixture of hydrogen and any olefins present in the process. Two separate modes of regeneration are performed simultaneously: a mild liquid-phase washing and a vapor-phase hot hydrogen stripping operation.
    Type: Grant
    Filed: October 14, 1994
    Date of Patent: February 6, 1996
    Assignee: UOP
    Inventors: Scott Y. Zhang, Christopher D. Gosling, Paul A. Sechrist, Gregory A. Funk