Patents by Inventor Kah Peng LEE

Kah Peng LEE 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).

  • Crosslinked hollow-fibre membranes and new process for manufacturing the same
    Patent number: 11992811
    Abstract: The present invention relates to high performance, crosslinked hollow-fibre membranes and a new process for manufacturing the same.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: May 28, 2024
    Assignee: Evonik Operations GmbH
    Inventors: Lars Peters, Kah Peng Lee, Dominik Lehner
  • A DEVICE AND A MEMBRANE PROCESS FOR SEPARATING GAS COMPONENTS FROM A GAS STREAM HAVING VARYING COMPOSITION OR FLOW RATE
    Publication number: 20220134274
    Abstract: A device for separating a gas stream which has a compressor and three membrane separation units in series, connected to pass the retentate stream of each of the first two units to the subsequent membrane separation unit, comprises conduits for recycling the permeate streams of the second and the third membrane separation unit to upstream of the compressor and a control device controlling the fraction of the second permeate stream which is recycled. Adjusting which fraction of the second permeate is recycled can be used to maintain a target composition of the retentate obtained in the third membrane separation unit when the flow rate or the composition of the gas stream changes.
    Type: Application
    Filed: January 22, 2020
    Publication date: May 5, 2022
    Applicants: EVONIK FIBRES GMBH, EVONIK CANADA INC., EVONIK CORPORATION
    Inventors: Steven Kristian PEDERSEN, Hendrik Derk HOVING, Markus PRISKE, Kah Peng LEE, Norbert KRUTZLER
  • CROSSLINKED HOLLOW-FIBRE MEMBRANES AND NEW PROCESS FOR MANUFACTURING THE SAME
    Publication number: 20210394125
    Abstract: The present invention relates to high performance, crosslinked hollow-fibre membranes and a new process for manufacturing the same.
    Type: Application
    Filed: June 15, 2021
    Publication date: December 23, 2021
    Inventors: Lars Peters, Kah Peng LEE, Dominik LEHNER