Gai; Yuguo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Gai; Yuguo.The latest application filed is for "process for quenching a gaseous reaction mixture obtained in the gas phase phosgenation of diamines".
- Gai; Yuguo - Shanghai CN
| Patent | Date |
|---|---|
| Method for cleaning phosgene-conducting apparatuses Grant 11,020,720 - Taube , et al. June 1, 2 | 2021-06-01 |
| Process for quenching a gaseous reaction mixture obtained in the gas phase phosgenation of diamines Grant 10,975,020 - Gai , et al. April 13, 2 | 2021-04-13 |
| Process For Quenching A Gaseous Reaction Mixture Obtained In The Gas Phase Phosgenation Of Diamines App 20200361857 - Gai; Yuguo ; et al. | 2020-11-19 |
| Method For Cleaning Phosgene-conducting Apparatuses App 20200222871 - Taube; Wolfgang ; et al. | 2020-07-16 |
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