Patents by Inventor Josef CHROUST

Josef CHROUST 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).

  • Urea production with triple MP streams
    Patent number: 11795140
    Abstract: The disclosure pertains to a urea production plant and process using a high-pressure CO2 stripper, downstream medium-pressure treatment unit and a medium-pressure dissociator receiving urea synthesis solution from the reactor, wherein gas from the treatment unit and dissociator are condensed in a first condenser and off-gas from the synthesis section is condensed separately in a second condenser. A revamping method is also described.
    Type: Grant
    Filed: June 10, 2022
    Date of Patent: October 24, 2023
    Assignee: STAMICARBON B.V.
    Inventors: Josef Chroust, Wilhelmus Hubertus Geurts
  • UREA PRODUCTION WITH TRIPLE MP STREAMS
    Publication number: 20230227402
    Abstract: The disclosure pertains to a urea production plant and process using a high-pressure CO2 stripper, downstream medium-pressure treatment unit and a medium-pressure dissociator receiving urea synthesis solution from the reactor, wherein gas from the treatment unit and dissociator are condensed in a first condenser and off-gas from the synthesis section is condensed separately in a second condenser. A revamping method is also described.
    Type: Application
    Filed: June 10, 2022
    Publication date: July 20, 2023
    Inventors: Josef CHROUST, Wilhelmus Hubertus GEURTS