Patents by Inventor Yun Xu

Yun Xu 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 correction fluid
    Patent number: 6025413
    Abstract: The invention features a water-based correction fluid that includes an opacifying pigment, water, and a film-forming system that provides the correction fluid with a writeover time of about 40 seconds or less.
    Type: Grant
    Filed: September 2, 1998
    Date of Patent: February 15, 2000
    Assignee: The Gillette Company
    Inventors: Yun Xu, Brian K. McHugh, Kim H. Ng
  • Apparatus for producing titanium crystal and titanium
    Patent number: 6024847
    Abstract: Described is a method and apparatus for producing high purity titanium and high purity titanium so produced. The process contemplates producing titanium sponge in a container and performing titanium fused salt electrolysis in situ in the same container to produce high purity titanium crystal, and where especially low oxygen content is desired, to treat the high purity titanium crystal as produced with iodine.
    Type: Grant
    Filed: February 2, 1998
    Date of Patent: February 15, 2000
    Assignee: The Alta Group, Inc.
    Inventors: Harry Rosenberg, Nigel Winters, Yun Xu
  • Water-based correction fluid
    Patent number: 5877234
    Abstract: The invention features a water-based correction fluid that includes an opacifying pigment, water, and a film-forming system that provides the correction fluid with a writeover time of about 30 seconds or less.
    Type: Grant
    Filed: September 20, 1996
    Date of Patent: March 2, 1999
    Assignee: The Gillette Company
    Inventors: Yun Xu, Brian K. McHugh, Kim H. Ng