Patents by Inventor Linda S. Strysik

Linda S. Strysik 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 of stabilizing silica-containing anionic microparticles in hard water
    Patent number: 9017649
    Abstract: A method of stabilizing silica-containing anionic microparticles upon mixing of the silica-containing anionic microparticles with hard water comprising adding one or more hardness-abating additives to the hard water prior to mixing of the hard water and the silica-containing anionic microparticles; or adding an effective stabilizing amount of one or more hardness-abating agents to the silica-containing anionic microparticles prior to mixing of the hard water with the silica-containing anionic microparticles and a stabilized composition comprising silica-containing anionic microparticles and an effective stabilizing amount of one or more hardness-abating additives.
    Type: Grant
    Filed: March 27, 2006
    Date of Patent: April 28, 2015
    Assignee: Nalco Company
    Inventors: Bruce A. Keiser, Raymond D. Miller, Jr., Linda S. Strysik, David A. Grattan