Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5250112 | Spinel black pigments based on copper-chromium-manganese mixed oxides, a process for their preparation and their use | Klaus Wussow, Peter Kuske, Manfred Mansmann, Dieter Messer | 1993-10-05 |
| 5108508 | Rutile mixed phase pigment microgranulates, a process for their preparation and their use | Jakob Rademachers, Hans-Ulrich Hofs | 1992-04-28 |
| 4957562 | Chrome oxide green, a process for its preparation and its use | Jakob Rademachers, Hans-Ulrich Hofs, Gunther Teichmann, Gerhard Trenczek | 1990-09-18 |
| 4810305 | Hydrophobic pigments and fillers for incorporation in synthetic resins | Rolf Braun, Peter Panek, Horst Bornefeld, Wolfgang Ritter | 1989-03-07 |