Patents by Inventor Dirk Verhulst

Dirk Verhulst 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).

  • Pretreatment of refractory titaniferous ores
    Publication number: 20060159604
    Abstract: A process for increasing the solubility of titanium in oxidized titanium compounds, titaniferous ore, ore concentrate, or mixtures thereof. The process includes adding an iron compound to the titaniferous ore or ore concentrate, mixing to form a mixture, heating under a controlled atmosphere to form an iron-titanium compound, cooling, and milling to form a powder. The solubility in concentrated hydrochloric acid of the titanium in the powder is greater than the solubility of the titanium in the titaniferous ore or ore concentrate.
    Type: Application
    Filed: December 9, 2005
    Publication date: July 20, 2006
    Inventors: Dirk Verhulst, Bruce Sabacky, Jeffrey Lang