Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654467 | Process for the production of C-substituted diethylenetriamines | Jean-Claude Hilscher, Klaus Nickisch, Heribert Schmitt-Willich, Heinz Gries, Bernd Raduchel +1 more | 1997-08-05 |