Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5160348 | Mixtures of blue azo disperse dyestuffs | Manfred Hoppe, Dieter Wiegner, Heinz Jordan, Horst Brandt | 1992-11-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5160348 | Mixtures of blue azo disperse dyestuffs | Manfred Hoppe, Dieter Wiegner, Heinz Jordan, Horst Brandt | 1992-11-03 |