Beijing
China
1
2024-10-17
Xin AN from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Catalyst for Gas-Phase Oxidation of 1,2,4,5-Tetraalkylbenzene, Preparation Method for and Application of Catalyst, and Preparation Method for Benzene-1,2,4,5-Tetracarboxylic Dianhydride
6808760 ⎘