Patents by Inventor Kim H. Ng

Kim H. Ng 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
  • Correction fluid
    Patent number: 5922400
    Abstract: An aqueous correction fluid is provided including an opacifying agent, including a first opacifying pigment selected to provide hiding power and a second opacifying pigment selected to provide suspension redispersability, a cationic film-forming polymer, a nonionic film-forming polymer, and a dispersing agent.
    Type: Grant
    Filed: January 9, 1997
    Date of Patent: July 13, 1999
    Assignee: The Gillette Company
    Inventors: Chiou C. Yau, Kim H. Ng, Norman G. Sanborn
  • 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 containing a butyl methacrylate copolymer ditridecyl phthalate, a non-halogenated solvent and an opacifying agent
    Patent number: 5306755
    Abstract: An ozone-friendly correction fluid includes a non-halogenated solvent, a butyl methacrylate copolymer as the polymeric film-forming material, a plasticizer, and an opacifying agent.
    Type: Grant
    Filed: November 6, 1992
    Date of Patent: April 26, 1994
    Assignee: The Gillette Company
    Inventors: Chiou C. Yau, Norman G. Sanborn, Kim H. Ng, Thomas G. Decker, Deborah A. Mayer, Vliet M. Hulse, John Thompson
  • Correction fluid compositions
    Patent number: 5256191
    Abstract: Substantially non-toxic correction fluid compositions including an opacifying pigment dispersed in a solution of a solvent, a siloxane and a film-forming polymeric material.
    Type: Grant
    Filed: October 1, 1991
    Date of Patent: October 26, 1993
    Inventors: John Thompson, Kim H. Ng, Edward J. Ferguson
  • Ozone-friendly correction fluid
    Patent number: 5199976
    Abstract: An ozone-friendly correction fluid includes a non-halogenated solvent, a vinyl toluene-butadiene copolymer as the polymeric film-forming material, a dispersing agent, and an opacifying agent.
    Type: Grant
    Filed: March 13, 1992
    Date of Patent: April 6, 1993
    Assignee: The Gillette Company
    Inventors: Chiou C. Yau, Norman G. Sanborn, Kim H. Ng