Patents by Inventor Kia Kian KEE

Kia Kian KEE 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).

  • Publication number: 20180326360
    Abstract: Disclosed here are semi-permeable cross-linked polyvinyl alcohol (PVA) based membranes that can be used as supports for water purification membranes, and methods for their production. The cross-linked PVA-based membranes are cross-linked with the reaction product of poly-epoxides and —OH groups from the PVA polymers. Methods according to the present disclosure include crosslinking dissolved PVA and dissolved poly-epoxides, casting the cross-linked PVA, and coagulating the cast polymer in a phase immersion precipitation process.
    Type: Application
    Filed: November 20, 2015
    Publication date: November 15, 2018
    Inventors: Li May GOH, Lawrence C. COSTA, Kai ZHANG, Dezhong XIAO, Kia Kian KEE, Kin Ho WEE, Ranting WU