Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6309620 | Carbonyl iron silicide powder | Gabriele Friedrich | 2001-10-30 |
| 6180235 | Phosphorus-containing iron powders | Bernd Leutner, Gabriele Friedrich | 2001-01-30 |
| 6036742 | Finely divided phosphorus-containing iron | Bernd Leutner, Gabriele Friedrich | 2000-03-14 |
| 5993569 | Silicon-containing iron powders | Joachim Simon, Bernd Leutner | 1999-11-30 |
| 5769937 | High-purity ferromagnetic iron oxide pigments | Claudius Kormann, Ekkehard Schwab | 1998-06-23 |
| 5505991 | Production of silicon oxide-coated solid particles | Raimund Schmid, Norbert Mronga, Juan Antonio Gonzalez Gomez, Reinhold Rieger | 1996-04-09 |
| 5374306 | Luster pigments based on metal oxide-coated aluminum platelets having a total carbon content of less than 0.1% by weight | Norbert Mronga, Reinhold Rieger | 1994-12-20 |
| 5085690 | Preparation of iron whiskers | Franz L. Ebenhoech | 1992-02-04 |
| 5009841 | Process for dewaxing injection molded metal pieces and for improving the properties thereof | Martin Bloemacher, Dieter Weinand | 1991-04-23 |
| 4652305 | Preparation of iron powder | Franz L. Ebenhoech | 1987-03-24 |