Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10759736 | Process for the preparation of di- and polyamines of the diphenylmethane series | Stefan Wershofen, Georg Pirkl | 2020-09-01 |
| 10618871 | Process for producing isocyanate and at least one further chemical product in an integrated production | Jürgen Spriewald, Thomas Knauf | 2020-04-14 |