Patents by Inventor Lok Hey WONG

Lok Hey WONG 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).

  • FORMULATION AND METHOD FOR PREPARING FIBROUS MATERIAL COMPRISING NANOFIBERS, AND FILTER COMPRISING THE FIBROUS MATERIAL
    Publication number: 20220168705
    Abstract: The present invention provides a formulation and method for preparing a fibrous material comprising nanofibers. The formulation comprises (a) at least one polymer, (b) at least one solvent in which the at least one polymer is dissolved to provide a polymer solution, and (c) at least one functional additive that imparts functionality to the fibrous material. The at least one functional additive is dissolvable or suspensible in the polymer solution. The formulation is able to remove or reduce the concentration of bacteria, viruses and heavy metals while maintaining high filtration efficiency. The invention also relates to a fibrous material prepared by the formulation and applications of the fibrous material.
    Type: Application
    Filed: November 30, 2021
    Publication date: June 2, 2022
    Inventors: Siu Wah WONG, Hoi Tung Danny CHAN, Muk Fung YUEN, Lok Hey WONG, Wai Tat NG, Kwun Wing HO, Yu Tao ZHANG