Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11136285 | Process for producing nitrobenzene | Peter Drinda | 2021-10-05 |
| 10947187 | Method for producing methylene-diphenylene-diisocyanates and polymethylene-polyphenylene-polyisocyanates | Peter Plathen, Dirk Manzel, Stefan Wershofen | 2021-03-16 |