Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6706890 | Method for producing oxindoles | Wolfram Hendel, Ulfried Felfer | 2004-03-16 |
| 5993609 | Process for the purification of phosphorus oxychloride | Engelbert Kloimstein | 1999-11-30 |