Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10106426 | Method for the separation of metal ions that are divalent or higher from strong acids or highly acidic media | Christian Panz, Florian Paulat, Guido Titz, Sven Müller, Peter Erlhöfer +5 more | 2018-10-23 |
| 6395247 | Precipitated silica | Jochen Scheffler | 2002-05-28 |
| 6383280 | Precipitated silica | Jochen Scheffler | 2002-05-07 |
| 6268424 | Precipitated silicic acid | Anke Blume, Burkhard Freund, Bernhard Schwaiger, Stefan Uhrlandt | 2001-07-31 |
| 6180076 | Readily dispersible precipitated silica | Stefan Uhrlandt, Anke Blume, Burkhard Freund | 2001-01-30 |
| 6077466 | Precipitated silica | Gunter Turk, Gerold Schmidt, Karl Meier | 2000-06-20 |
| 5859117 | Precipitated silicas, a process for their preparation and their use in vulcanizable rubber mixtures | Udo Goerl, Andrea Hunsche, Robert Kuhlmann, Heinz Esch | 1999-01-12 |
| 5851502 | Precipitated silica | Gunter Turk, Gerold Schmidt, Karl Meier | 1998-12-22 |
| 5705137 | Precipitated silicas, a process for their preparation and their use in vulcanizable rubber mixtures | Udo Goerl, Andrea Hunsche, Robert Kuhlmann, Heinz Esch | 1998-01-06 |
| 5116586 | Method for the reduction of nitrogen oxides from waste gases using a zeolite | Michael Baacke, Reinhold Beand, Bernd Engler, Akos Kiss, Peter Kleine-Mollhoff +2 more | 1992-05-26 |
| 4931593 | Method for producing tetrapropylammonium bromide | Peter Kleinschmit | 1990-06-05 |