Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5179211 | Process for the preparation of indoles | Heinz U. Blank, Friedrich-Wilhelm Ullrich, Karlheinrich Meisel, Willi Streicher, Nikolaus Schulz +1 more | 1993-01-12 |
| 4350566 | Process for the delignification of lignocellulose materials with dinitroanthraquinones | Heinz U. Blank, Peter Schnegg | 1982-09-21 |