Patents by Inventor John Xiaosan Li

John Xiaosan Li 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).

  • Water-based material systems and methods for 3D printing
    Publication number: 20040038009
    Abstract: The present invention provides unique material systems and methods for 3D printing of articles having enhanced strength and durability. The powder systems comprise a water-soluble crosslinkable agent, and alternatively or additionally, a strengthening component. Preferably, the crosslinkable agent is selected from the group consisting of amino resins, phenol resins, and mixed amino/phenol resins. The strengthening component melts and flows when heated, and resolidifies or cures. Preferably, the strengthening component melts, flows and cures with heat.
    Type: Application
    Filed: August 21, 2002
    Publication date: February 26, 2004
    Inventors: Richard Noel Leyden, Timothy Marvin Cleary, John Xiaosan Li, Jacek Obuchowicz, Richard J. Peace