Patents Assigned to Lobeco Products, Inc.
  • Method for hardening granular inorganic salt compounds
    Patent number: 6365120
    Abstract: Solid inorganic particulate salts having increased hardness are produced by incorporating a novel additive composition comprised of ammonium sulfate and a naphthalene sulfonate compound.
    Type: Grant
    Filed: February 28, 2000
    Date of Patent: April 2, 2002
    Assignee: Lobeco Products, Inc.
    Inventors: Victor Martin Granquist, Robert Paul Kern, Jr.