Patents by Inventor Sunti Kongkitisupchai

Sunti Kongkitisupchai 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).

  • Alkylene oxide separation system
    Patent number: 10513502
    Abstract: A propylene oxide separation system comprising a heavies distillation column configured to receive a crude propylene oxide stream and discharge a heavies purge bottoms comprising at least one impurity selected from acetone, methanol, aldehydes, aldehyde derivatives, water, heavy hydrocarbons comprising C5+, or combinations thereof, and discharge a heavies distillation column overhead stream comprising a majority of the propylene oxide entering with the crude propylene oxide stream, and a first extractive distillation column configured to receive the heavies distillation column overhead stream and a first extraction solvent stream comprising a hydrocarbon solvent, and discharge a lights purge overhead comprising at least one impurity selected from aldehydes (e.g., acetaldehyde, formaldehyde, etc.
    Type: Grant
    Filed: February 5, 2019
    Date of Patent: December 24, 2019
    Assignee: Lyondell Chemical Technology, L.P.
    Inventors: Elizabeth I. Ross-Medgaarden, David W. Leyshon, Karl P. Rufener, Sunti Kongkitisupchai, Richard J. Wolff, Kimberly A. Petry
  • ALKYLENE OXIDE SEPARATION SYSTEM
    Publication number: 20190241534
    Abstract: A propylene oxide separation system comprising a heavies distillation column configured to receive a crude propylene oxide stream and discharge a heavies purge bottoms comprising at least one impurity selected from acetone, methanol, aldehydes, aldehyde derivatives, water, heavy hydrocarbons comprising C5+, or combinations thereof, and discharge a heavies distillation column overhead stream comprising a majority of the propylene oxide entering with the crude propylene oxide stream, and a first extractive distillation column configured to receive the heavies distillation column overhead stream and a first extraction solvent stream comprising a hydrocarbon solvent, and discharge a lights purge overhead comprising at least one impurity selected from aldehydes (e.g., acetaldehyde, formaldehyde, etc.
    Type: Application
    Filed: February 5, 2019
    Publication date: August 8, 2019
    Applicant: Lyondell Chemical Technology, L.P.
    Inventors: Elizabeth I. Ross-Medgaarden, David W. Leyshon, Karl P. Rufener, Sunti Kongkitisupchai, Richard J. Wolff, Kimberly A. Petry