Patents by Inventor Brian K. McHugh

Brian K. McHugh 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
  • 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
  • Correction fluid for water-fast inks
    Patent number: 5872162
    Abstract: Correction fluids are provided which include an opacifying pigment, a water-fast ink fixing agent including a cationic non-film-forming polymer, a binder including a film-forming polymer compatible with the ink fixing agent, and water. The new correction fluids have improved "bleed" resistance when used to correct water-fast inks, such as ball-point pen inks.
    Type: Grant
    Filed: May 10, 1994
    Date of Patent: February 16, 1999
    Assignee: The Gillette Company
    Inventors: Brian K. McHugh, Norman G. Sanborn