Patents by Inventor Siew Leng LOO

Siew Leng LOO 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).

  • Apparatus and method for reverse osmosis
    Patent number: 11097223
    Abstract: An apparatus for reverse osmosis, the apparatus comprising: a single-stage reverse osmosis (SSRO) unit; and a counter-current membrane cascade with recycle (CMCR) unit comprising a plurality of stages of reverse osmosis including at least a first stage and a second stage wherein permeate from the first stage is configured to be introduced as feed to the second stage; wherein retenate from the SSRO unit is configured to be introduced as feed to the first stage, and wherein product obtained using the apparatus comprises permeate from the SSRO unit and permeate from a last stage of the CMCR unit.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: August 24, 2021
    Assignee: NANYANG TECHNOLOGICAL UNIVERSITY
    Inventors: Tzyy Haur Chong, William B. Krantz, Siew Leng Loo
  • Antibacterial cryogel and porous hydrogel, their preparation method, and their use for disinfecting water
    Patent number: 10939677
    Abstract: The invention relates to an antibacterial cryogel, its preparation method, and its use for disinfecting water. The invention further relates to an antibacterial porous hydrogel.
    Type: Grant
    Filed: June 12, 2014
    Date of Patent: March 9, 2021
    Assignee: Nanyang Technological University
    Inventors: Xiao Hu, Siew Leng Loo, Anthony G. Fane, Teik Thye Lim, William B. Krantz
  • APPARATUS AND METHOD FOR REVERSE OSMOSIS
    Publication number: 20180243694
    Abstract: An apparatus for reverse osmosis, the apparatus comprising: a single-stage reverse osmosis (SSRO) unit; and a counter-current membrane cascade with recycle (CMCR) unit comprising a plurality of stages of reverse osmosis including at least a first stage and a second stage wherein permeate from the first stage is configured to be introduced as feed to the second stage; wherein retenate from the SSRO unit is configured to be introduced as feed to the first stage, and wherein product obtained using the apparatus comprises permeate from the SSRO unit and permeate from a last stage of the CMCR unit.
    Type: Application
    Filed: March 31, 2015
    Publication date: August 30, 2018
    Applicant: NANYANG TECHNOLOGICAL UNIVERSITY
    Inventors: Tzyy Haur CHONG, William B. Krantz, Siew Leng LOO
  • ANTIBACTERIAL CRYOGEL AND POROUS HYDROGEL, THEIR PREPARATION METHOD, AND THEIR USE FOR DISINFECTING WATER
    Publication number: 20160106093
    Abstract: The invention relates to an antibacterial cryogel, its preparation method, and its use for disinfecting water. The invention further relates to an antibacterial porous hydrogel.
    Type: Application
    Filed: June 12, 2014
    Publication date: April 21, 2016
    Inventors: Xiao HU, Siew Leng LOO, Anthony G. FANE, Teik Thye LIM, William B. KRANTZ