Patents by Inventor Andreas Hübner

Andreas Hübner 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).

  • Composite membrane for the separation of water and method for manufacturing same
    Patent number: 8256626
    Abstract: A composite membrane is provided for the separation of water with at least one separation layer of cross-linked polyvinyl alcohol, with the separation layer being subjected in a separate process step to a post-crosslinking operation with an acid or an acid-releasing compound and at least one dialdehyde.
    Type: Grant
    Filed: September 18, 2009
    Date of Patent: September 4, 2012
    Assignee: Souzer Chemtech GmbH
    Inventors: Andreas Hübner, Elena Gonzalez Diaz, Michael Frania
  • Composite membrane for the separation of water and method for manufacturing same
    Publication number: 20100084335
    Abstract: A composite membrane is provided for the separation of water with at least one separation layer of cross-linked polyvinyl alcohol, with the separation layer being subjected in a separate process step to a post-crosslinking operation with an acid or an acid-releasing compound and at least one dialdehyde.
    Type: Application
    Filed: September 18, 2009
    Publication date: April 8, 2010
    Inventors: Andreas Hübner, Elena Gonzalez Diaz, Micheal Frania
  • Alkaline-earth aluminoborosilicate glass and the uses thereof
    Patent number: 6680266
    Abstract: The invention relates to low-alkali or alkali-free alkaline-earth aluminoborosilicate glasses of the following composition (in wt.-% on an oxide basis) SiO2>49-65; B2O3 0.5-4.5; Al2O3>10-23; MgO>2.7-7; CaO 0.5-10; SrO>15-22; BaO 0.5-7; provided that MgO+CaO+SrO+BaO>20-35; SnO2 0-2; ZrO2 0-2; ZrO2 0-2; TiO20-2; CeO20-1.5; ZnO 0-1; Na2O 0-2; K2O 0-2; provided that Na2O+K2O equals 0-3. The inventive glasses are especially suitable for use as substrates in thin film photovoltaic technology and as glasses for bulbs.
    Type: Grant
    Filed: June 14, 2002
    Date of Patent: January 20, 2004
    Assignee: Schott Glas
    Inventors: Ulrich Peuchert, Peter Brix, Andreas Hübner