Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5520340 | Process for the jet milling of inorganic pigments | Bernd Krockert, Gunter Linde | 1996-05-28 |
| 5416050 | Red ceramic moulded bodies as well as processes for their production | Klaus Lerch, Walter Kroner, Gunter Buxbaum | 1995-05-16 |
| 5269841 | Temperature-resistant black pigment, a process for its production and its use | Gunter Buxbaum | 1993-12-14 |
| 5250112 | Spinel black pigments based on copper-chromium-manganese mixed oxides, a process for their preparation and their use | Klaus Wussow, Manfred Mansmann, Dieter Messer, Dieter Rade | 1993-10-05 |
| 5164005 | Black manganese/iron oxide pigment a process for its production and its use | Gunter Buxbaum | 1992-11-17 |
| 5154769 | Process for production of black manganese/iron oxide pigment | Gunter Buxbaum | 1992-10-13 |
| 5085706 | Synthetic pigment having the color of natural uncalcined umber and its use | Gunter Buxbaum | 1992-02-04 |