Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5587063 | Method for electrolytic coloring of aluminum surfaces using alternating current | Peter Kuhm, Christine Schroeder, Volker Sander, Juergen Lindener | 1996-12-24 |
| 5468892 | Process for the production of an aluminum triformate solution containing alkali metal and/or alkaline earth metal, highly concentrated aluminum triformate solutions containing alkali and/or alkaline earth metal, and their use | Rudolf Zauns-Huber | 1995-11-21 |
| 5409501 | Dilutable aluminum triformate tanning agents in the form of highly concentrated, storable aqueous solutions and their use | Rudolf Zauns-Huber, Jochen Hieber, Christine Schroeder | 1995-04-25 |
| 5409685 | Manufactured tin(II) sulfate granules for electrolytic coloring with metal salts | Hans-Josef Beaujean, Jens Bode, Joerg Sander, Volker Sander | 1995-04-25 |
| 5064512 | Process for dyeing anodized aluminum | Dieter Brodalla, Juergen Lindener, Willi Wuest, Christine Schroeder, Willi Buchmeier +1 more | 1991-11-12 |
| 4917780 | Process for coloring anodized aluminum by AC electrolysis | Dieter Brodalla, Juergen Lindener | 1990-04-17 |