Patents by Inventor Alan E. Cepla

Alan E. Cepla 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).

  • Dehydrogenation process having improved run time
    Patent number: 11186784
    Abstract: New/fresh catalyst is added to a dehydrogenation unit and aged catalyst is removed from the dehydrogenation unit on a continuous or semi-continuous basis while the dehydrogenation unit is in operation. The conversion achieved by the higher activity catalyst results in the production rate of olefin product being maintained at near start-of-run production for longer, with a slower rate of decline. The higher activity catalyst extends run time, reduces feed consumption for each unit of olefin product, and minimizes fresh catalyst expenses.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: November 30, 2021
    Assignee: UOP LLC
    Inventors: Alan E. Cepla, Gary A. Dziabis, Manuela Serban, Rui de Menezes, Massimiliano Cantarelli
  • DEHYDROGENATION PROCESS HAVING IMPROVED RUN TIME
    Publication number: 20200115641
    Abstract: New/fresh catalyst is added to a dehydrogenation unit and aged catalyst is removed from the dehydrogenation unit on a continuous or semi-continuous basis while the dehydrogenation unit is in operation. The conversion achieved by the higher activity catalyst results in the production rate of olefin product being maintained at near start-of-run production for longer, with a slower rate of decline. The higher activity catalyst extends run time, reduces feed consumption for each unit of olefin product, and minimizes fresh catalyst expenses.
    Type: Application
    Filed: July 16, 2019
    Publication date: April 16, 2020
    Inventors: Alan E. Cepla, Gary A. Dziabis, Manuela Serban, Rui de Menezes, Massimiliano Cantarelli
  • Ethylbenzene process using stacked reactor loading of beta and Y zeolites
    Patent number: 5998687
    Abstract: Benzene is catalytically alkylated with ethylene in a process which comprises at least two catalyst zones. Benzene and ethylene contact a catalyst comprising zeolite beta in a first catalyst zone. Ethylene and the effluent from the first catalyst zone contact a catalyst comprising zeolite Y to produce an alkylate containing ethylbenzene.
    Type: Grant
    Filed: July 29, 1998
    Date of Patent: December 7, 1999
    Assignee: UOP LLC
    Inventors: Guy B. Woodle, Alan E. Cepla