Chengdu
China
2
2023-08-17
The entities that hold a legal rights for patent applications filed by inventor CHEN Dequan:
Dequan CHEN from Chengdu, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
THREE-WAY CATALYST HAVING LOW NH3 FORMATION AND PREPARATION METHOD THEREFOR
#2 | 2022-08-04Low-temperature NOstorage catalyst used for automobile exhaust purification and preparation method thereof
5478913 ⎘