Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428581 | Concentrated leucoindigo solutions | Manfred Gang, Peter Miederer | 2002-08-06 |
| 6353131 | Composition containing at least one sulfinic derivative and potassium carbonate | Eberhard Beckmann | 2002-03-05 |