Patents Assigned to Martin Marietta Magnesia Specialities Inc.
  • Stabilized, pressure-hydrated magnesium hydroxide slurry from burnt magnesite and process for its production
    Patent number: 5487879
    Abstract: A stabilized, pressure-hydrated magnesium hydroxide slurry and a process for its production from burnt magnesite are described. According to an embodiment of the invention, a mixture comprising burnt natural magnesite and water is pressure hydrated to provide a pressure hydrated slurry. The pressure hydrated slurry is then deagglomerated. If desired, chloride ions and cationic polymer can be added to further stabilize the slurry.
    Type: Grant
    Filed: July 15, 1994
    Date of Patent: January 30, 1996
    Assignee: Martin Marietta Magnesia Specialities Inc.
    Inventors: Joseph T. Witkowski, David M. Smith, Mark T. Wajer