Jiangsu
China
2
2025-09-23
The entities that hold a legal rights for patent applications filed by inventor Chang Junfeng:
Junfeng Chang from Jiangsu, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Continuous dynamic and efficient devolatilization method for polymer/volatile system based on high mass transfer interfaces
#2 | 2025-01-30Biodegradable polymer expanded bead capable of being formed by steam compression molding
7020580 ⎘