Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11702381 | Method for operating a rectification column | Bernd Pennemann, Shuang Liang, Juergen Bausa | 2023-07-18 |
| 11020720 | Method for cleaning phosgene-conducting apparatuses | Wolfgang Taube, Yiming Mao, Yuguo Gai | 2021-06-01 |
| 10975020 | Process for quenching a gaseous reaction mixture obtained in the gas phase phosgenation of diamines | Yuguo Gai, Qiang Wei, Joachim Zechlin, Thomas Bludowsky, Wolfgang Taube +1 more | 2021-04-13 |