Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11020720 | Method for cleaning phosgene-conducting apparatuses | Zhangyong Ming, 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, Zhangyong Ming, Qiang Wei, Joachim Zechlin, Thomas Bludowsky +1 more | 2021-04-13 |