Patents by Inventor Udo Blumenthal

Udo Blumenthal 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).

  • Catalyst system consisting of a carrier and of a co-catalyst
    Patent number: 7666958
    Abstract: The invention relates to methods for producing cesium hydroxide solutions during which: cesium-containing ore is disintegrated with sulfuric acid while forming a cesium aluminum sulfate hydrate, which is poorly soluble at low temperatures; the formed cesium alum is separated away in the form of a solution from the solid ore residues; the aluminum is precipitated out of the cesium alum solution while forming a cesium sulfate solution; the formed cesium sulfate solution is reacted with barium hydroxide or stontium hydroxide while forming a cesium hydroxide solution, and; the formed cesium hydroxide solution is concentrated and purified.
    Type: Grant
    Filed: March 24, 2006
    Date of Patent: February 23, 2010
    Assignees: Sachtleben Chomie GmbH, Studiengesellschaft Kohle MBM
    Inventors: Bernd Hirthe, Bernd Proft, Jochen Winkler, Udo Blumenthal, Gerhard Fink, Klaus Hauschild
  • Catalyst System Consisting of a Carrier and of a Co-Catalyst
    Publication number: 20080227935
    Abstract: The invention relates to methods for producing cesium hydroxide solutions during which: cesium-containing ore is disintegrated with sulfuric acid while forming a cesium aluminum sulfate hydrate, which is poorly soluble at low temperatures; the formed cesium alum is separated away in the form of a solution from the solid ore residues; the aluminum is precipitated out of the cesium alum solution while forming a cesium sulfate solution; the formed cesium sulfate solution is reacted with barium hydroxide or stontium hydroxide while forming a cesium hydroxide solution, and; the formed cesium hydroxide solution is concentrated and purified.
    Type: Application
    Filed: March 24, 2006
    Publication date: September 18, 2008
    Inventors: Bernd Hirthe, Bernd Proft, Jochen Winkler, Udo Blumenthal, Gerhard Fink, Klaus Hauschild