Patents by Inventor Hans-Jorge Zander

Hans-Jorge Zander 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).

  • Method of column control
    Patent number: 11225444
    Abstract: A method of column control includes: passing a feed stream and a make-up stream through a column; withdrawing an overhead fraction from the column; purging at least a portion of the overhead fraction; cooling at least a portion of the overhead fraction in a heat exchanger and passing it through a reflux drum; withdrawing a purge stream and a distillate stream from the reflux drum, wherein the distillate stream has a constant flow rate; recycling at least a portion of the distillate stream back to the column; and passing at least a portion of the distillate stream to a downstream process.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: January 18, 2022
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Abdullah Saad Al-Dughaiter, Shahid Azam, Abdulmajeed Mohammed Al-Hamdan, Dafer Mubarak Alshahrani, Ralf Noack, Tobias Meier, Gabriel Waurick, Heinz Bolt, Andreas Meiswinkel, Wolfgang Müller, Anina Wohl, Hans-Jorge Zander
  • METHOD OF COLUMN CONTROL
    Publication number: 20210130265
    Abstract: A method of column control includes: passing a feed stream and a make-up stream through a column; withdrawing an overhead fraction from the column; purging at least a portion of the overhead fraction; cooling at least a portion of the overhead fraction in a heat exchanger and passing it through a reflux drum; withdrawing a purge stream and a distillate stream from the reflux drum, wherein the distillate stream has a constant flow rate; recycling at least a portion of the distillate stream back to the column; and passing at least a portion of the distillate stream to a downstream process.
    Type: Application
    Filed: December 19, 2017
    Publication date: May 6, 2021
    Inventors: Abdullah Saad Al-Dughaiter, Shahid Azam, Abdulmajeed Mohammed Al-Hamdan, Dafer Mubarak Alshahrani, Ralf Noack, Tobias Meier, Gabriel Waurick, Heinz Bolt, Andreas Meiswinkel, Wolfgang Müller, Anina Wohl, Hans-Jorge Zander