Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6649798 | Method for production of diaminodiphenylmethanes | Stephan Klein, Dirk Grotjohann, Daniel Koch, Heinz Muller, Hans-Georg Pirkl +2 more | 2003-11-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6649798 | Method for production of diaminodiphenylmethanes | Stephan Klein, Dirk Grotjohann, Daniel Koch, Heinz Muller, Hans-Georg Pirkl +2 more | 2003-11-18 |