Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8440067 | Process for removing water from alkali metal amalgam | Marc Claude Martin, Günther Huber, Michael Lutz, Wolfgang Kanther, Holger Friedrich | 2013-05-14 |
| 8114258 | Electrolysis device for the production of alkali metal | Guenther Huber, Michael Lutz, Michael Wille, Holger Friedrich, Uwe Behling +2 more | 2012-02-14 |
| 7517435 | Process for the removal of mercury from solutions contaminated with mercury | Holger Friedrich, Hans-Jürgen Bender, Dieter Schlafer | 2009-04-14 |
| 7332090 | Process for the removal of mercury from solutions contaminated with mercury | Hans-Jürgen Bender, Holger Friedrich | 2008-02-19 |
| 6890508 | Preparation of largely HBr-free HCI gas and largely HBr-free aqueous HCI solution | Dieter Schlafer, Hans-Ulrich Schlimper | 2005-05-10 |
| 6770187 | Method for electrochemically producing an alkali metal from an aqueous solution | Hermann Putter, Günther Huber, Kerstin Schierle-Arndt, Dieter Schlafer | 2004-08-03 |
| 6759560 | Method for producing alkali methylates | Holger Friedrich, Hans-Josef Sterzel, Gerd Kaibel, Kirsten Burkart, Elke Hoffmann | 2004-07-06 |
| 6657091 | Catalytic preparation of alkali metal alkoxides | Kerstin Schierle-Arndt, Hans-Josef Sterzel, Dieter Schlafer, Holger Friedrich, Peter Zehner | 2003-12-02 |
| 6437198 | Method for producing alkali metal alcoholates | Holger Friedrich, Jurgen Schweinzer, Thomas Letzelter, Hans-Jürgen Bender | 2002-08-20 |
| 6409908 | Electrochemical production of alkali metal from an alkali metal amalgam | Günther Huber, Hermann Putter, Kerstin Schierle-Arndt, Dieter Schlafer, Bernd Schube +1 more | 2002-06-25 |
| 6368487 | Electrolytic cell for producing an alkali metal | Günther Huber, Hermann Putter, Kerstin Schierle-Arndt, Dieter Schlafer | 2002-04-09 |
| 6287448 | Electrochemical production of lithium using a lithium amalgam anode | Kerstin Schierle-Arndt, Hermann Putter, Günther Huber, Dieter Schlafer | 2001-09-11 |
| 6281392 | Preparation of orthoesters | Kirsten Burkart, Thomas Letzelter, Jurgen Schweinzer, Hans-Josef Sterzel | 2001-08-28 |
| 4889950 | Preparation of carboxylic esters | Kaspar Bott, Horst Hartmann | 1989-12-26 |