Patents by Inventor Chio-Hang Ao

Chio-Hang Ao 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).

  • Photocatalyst and methods of making such
    Publication number: 20050164876
    Abstract: The conversion efficiency of existing photocatalysts may decrease with increasing humidity level. The photocatalyst of this invention is made be first mixing an alcohol, a titanium alkoxide and a binder in the presence of a catalytic acid to form a mixture. This mixture is then heated at about 100° C. for at least 2 hours, and then calcinated at about 450° C. for at least 2 hours. The resulting catalyst is found to have improved efficacy at high humidity level.
    Type: Application
    Filed: January 28, 2004
    Publication date: July 28, 2005
    Applicant: The Hong Hong Polytechnic University, a university of Hong Kong
    Inventors: Shun-Cheng Lee, Chio-Hang Ao