Beijing
China
2
2023-06-15
The entities that hold a legal rights for patent applications filed by inventor LEI Junyu:
Junyu LEI from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
CATALYST FOR PROPYLENE POLYMERIZATION, CATALYST SYSTEM FOR PROPYLENE POLYMERIZATION, AND PREPARATION AND USE THEREOF
#2 | 2020-11-26Arylaminosilane compound, propylene polymerization catalyst and preparation thereof
5767621 ⎘