Patents by Inventor Ketil Amundsen

Ketil Amundsen 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).

  • Process for producing anhydrous MgCl.sub.2
    Patent number: 6042794
    Abstract: A process for producing anhydrous magnesium chloride comprising steps of selective calcination of Mg-containing minerals, selective leaching of magnesium, separation of insoluble impurities, precipitation of magnesium chloride hexammoniate and thermal decomposition of the magnesium chloride hexammoniate crystals into magnesium chloride and ammonia.
    Type: Grant
    Filed: January 15, 1999
    Date of Patent: March 28, 2000
    Assignee: Norsk Hydro ASA
    Inventors: Ketil Amundsen, Hans Ragnar Eklund, Ralf Schmidt