Patents by Inventor Glenn Lillmars

Glenn Lillmars 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).

  • Treatment of iron ore to increase recovery through the use of low molecular weight polyacrylate dispersants
    Patent number: 5307938
    Abstract: The described invention relates to the processing of iron ore, particularly taconite ore. In particular, the invention relates to the separation of the iron containing component from the silicious and other gangue components such as phosphorus compounds in low grade iron ore. Typically, the separation is accomplished by a flotation process to remove the gangue to recover the iron component.
    Type: Grant
    Filed: March 16, 1992
    Date of Patent: May 3, 1994
    Inventor: Glenn Lillmars