Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5868872 | Chromium-free process for the no-rinse treatment of aluminum and its alloys and aqueous bath solutions suitable for this process | Uwe Karmaschek | 1999-02-09 |
| 5516372 | Process for phosphating steel strip galvanized on one side | Joerg Riesop, Dieter Geruhn, Frank Panter, Franz Ricke, Hubertus Peters +2 more | 1996-05-14 |
| 5401381 | Process for phosphating metallic surfaces | Reinhard Seidel, Horst-Dieter Speckmann, Karl-Dieter Brands, Gerard Veldman | 1995-03-28 |
| 4762572 | Process for phosphating electrolytically zinc-coated metals | Caecillie Daniel, Detlev Bohnhorst, Karl-Heinz Gottwald, Roland Morlock | 1988-08-09 |
| 4761189 | Process and aqueous compositions for treating metal surfaces | Christian Ries, Roland Morlock | 1988-08-02 |
| 4497668 | Phosphating process for zinc-plated metals | Winand Hanelt, Roland Morlock, Dieter Geruhn, Lutz Leyhe, Jobst H. Meyer zu Bexten +1 more | 1985-02-05 |