Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4244863 | Preparation of pigment concentrates | Heinz-Peter Hemmerich, Jurgen Spille, Peter Rasche, Hans J. Rosenkranz | 1981-01-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4244863 | Preparation of pigment concentrates | Heinz-Peter Hemmerich, Jurgen Spille, Peter Rasche, Hans J. Rosenkranz | 1981-01-13 |