Patents by Inventor Chunzheng Wu

Chunzheng Wu 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).

  • Method for the preparation of metal oxide hollow nanoparticles
    Patent number: 10814313
    Abstract: The present invention concerns a method for the preparation of metal oxide hollow nanoparticles comprising the steps of: —providing an aqueous suspension of nanoparticles of an oxide of a first element having at least two oxidation states coupled with a substrate; —placing in contact the aqueous suspension with an aqueous solution of a salt of a second element having at least two oxidation states having a standard reduction potential lower than the standard reduction potential of said first transition metal to obtain hollow nanoparticles.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: October 27, 2020
    Assignees: Fondazione lstituto Italiano Di Tecnologia, Universita' Degli Studi Di Genova
    Inventors: Massimo Colombo, Chunzheng Wu, Liberato Manna
  • METHOD FOR THE PREPARATION OF METAL OXIDE HOLLOW NANOPARTICLES
    Publication number: 20200246780
    Abstract: The present invention concerns a method for the preparation of metal oxide hollow nanoparticles comprising the steps of: —providing an aqueous suspension of nanoparticles of an oxide of a first element having at least two oxidation states coupled with a substrate; —placing in contact the aqueous suspension with an aqueous solution of a salt of a second element having at least two oxidation states having a standard reduction potential lower than the standard reduction potential of said first transition metal to obtain hollow nanoparticles.
    Type: Application
    Filed: October 27, 2016
    Publication date: August 6, 2020
    Inventors: Massimo Colombo, Chunzheng Wu, Liberato Manna