Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8119716 | Method of generating a dispersion of deagglomerated barium sulphate in plastics or plastics precursors | Ferdinand Hardinghaus, David-Christopher Glende, Karl-Heinz Köhler | 2012-02-21 |
| 7108586 | Method of chemical mechanical polishing using abrasive particles of alkaline earth metal salts | Karl Koehler, Ferdinand Hardinghaus | 2006-09-19 |
| 7001582 | Micronized barium sulfate | Ferdinand Hardinghaus, Tanja Engels, Karl Koehler, Hans Gabel, Joerg Glas | 2006-02-21 |
| 6812191 | Superconducting bodies made of zinc-doped copper oxide material | Karl Koehler, Ferdinand Hardinghaus, Hans Gabel, Gernot Krabbes, Peter Schaetzle +1 more | 2004-11-02 |
| 6479029 | Micronized alkaline earth metal carbonate | Norbert Mingels, Karl Koehler, Hans Gabel | 2002-11-12 |
| 6063735 | Superconductor mixture | Karl Koehler, Ferdinand Hardinghaus, Paul Jaeger, Klaus Fischer, Tobias Habisreuther +4 more | 2000-05-16 |