Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7166645 | Process for the alkaline saponification of crosslinked acrylonitrile bead polymers | Michael Happ, Wolfgang Podszun, Rudiger Seidel, Wolfgang Zarges | 2007-01-23 |
| 5179211 | Process for the preparation of indoles | Heinz U. Blank, Friedrich-Wilhelm Ullrich, Karlheinrich Meisel, Willi Streicher, Nikolaus Schulz +1 more | 1993-01-12 |