Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6855760 | Detachable adhesive compounds | Christian Kirsten, Ralph Nonninger, Herrmann Schirra, Helmut Schmidt | 2005-02-15 |
| 6352737 | Use of nanoscale sterols and sterol esters | Hans Dolhaine, Christian Kropf, Bernd Fabry, Manfred Biermann, Christine Schroeder | 2002-03-05 |
| 5215732 | Method for producing alkali metal silicates by heating cristobalite or tempered quartz sand with NaOH or KOH under atmospheric pressure | Johannes W. Hachgenei, Rudolf Novotny, Hans Dolhaine, Juergen Foell | 1993-06-01 |
| 5112414 | Titanium free composition and process for activating metal surfaces prior to zinc phosphating | Karl-Dieter Brands, Helmut Endres, Wolf-Achim Roland | 1992-05-12 |
| 5039362 | Titanium free composition and process for activating metal surfaces prior to zinc phosphating | Karl-Dieter Brands, Helmut Endres, Wolf-Achim Roland | 1991-08-13 |
| 4957568 | Composition and process for activating metal surfaces prior to zinc phosphating and process for making said composition | Helmut Endres, Karl-Dieter Brands, Wolf-Achim Roland, Joerg Riesop | 1990-09-18 |
| 4801396 | Dishwasher detergent paste | Theodor Altenschopfer, Klaus Schumann | 1989-01-31 |
| 4770866 | Hydrothermal production of clear sodium silicate solutions | Rudolf Novotny, Juergen von Laufenberg | 1988-09-13 |
| 4591491 | Process for the continuous conversion of meta-kaolin into very finely-divided zeolitic sodium alumino-silicate | Willi Wust | 1986-05-27 |
| 4557907 | Hydrothermal disintegration of calcined aluminum oxide wastes | Jurgen von Laufenberg, Rudolf Novotny, Siegfried Staller, Friedrich W. Diekotter | 1985-12-10 |
| 4537771 | Antacids containing zeolitic molecular sieves | Wolfgang Greb, Christine Schroder | 1985-08-27 |
| 4499062 | Hydrothermal decomposition of aluminum silicates | Rudolf Novotny, Jurgen von Laufenberg, Josef Sadlowsky | 1985-02-12 |
| 4371510 | Process for the continuous crystallization of zeolitic sodium aluminosilicates of smallest particle size | Willi Wust, Franz-Josef Carduck | 1983-02-01 |
| 4278649 | Continuous process for the production of amorphous sodium aluminosilicate in an elongated reaction zone | Willi Wust | 1981-07-14 |
| 4275048 | Process for the preparation of fine droplet-reacted aluminosilicates of the smallest particle size | Werner Stein | 1981-06-23 |
| 4267158 | Continuous process for the production of amorphouse sodium aluminosilicate | Willi Wust, Franz-Josef Carduck | 1981-05-12 |
| 4255549 | Process for preparing organosilazanes | Riza N. Oezelli, Guenther Tischbirek | 1981-03-10 |