Patents by Inventor Roger Ek

Roger Ek 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).

  • FERROSILICATE PROPPANT AND GRANULE COMPOSITION
    Publication number: 20080087136
    Abstract: There is provided a process for the thermal conversion of non-ferrous smelting slag to granular products having sufficient strength and other useful characteristics for use as proppant, gravel pack, roofing granules and abrasive blast materials. Non-ferrous smelting slag is treated with silica, alumina, calcia and magnesia and then heated for a period of time sufficient for reaction of the ingredients and homogenization prior to being made into granular products.
    Type: Application
    Filed: October 12, 2007
    Publication date: April 17, 2008
    Inventor: Roger Ek