Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428581 | Concentrated leucoindigo solutions | Manfred Gang, Rudolf Kruger | 2002-08-06 |
| 6007587 | Leuco vat dye preparations in granule form | Manfred Gang, Rudolf Kruger, Eberhard Beckmann | 1999-12-28 |
| 5888254 | Leuco vat-dye preparations in granule form | Manfred Gang, Rudolf Kruger, Harald Schluter, Peter Schultz, Manfred R. Wolf | 1999-03-30 |
| 5637116 | Leucoindigo preparatations in granule form | Manfred Gaeng, Peter Schultz | 1997-06-10 |
| 4871481 | Preparation of 1,4-diamino-2,3-dicyanoanthraquinone | Eberhard Michaelis | 1989-10-03 |
| 4459388 | Preparation of emulsifiable polyethylene by oxidizing polyethylene in a fluidized bed reactor | Albert Hettche, Stefan Weiss, Lutz Goethlich, Juergen Ciprian | 1984-07-10 |