Shanghai
China
4
2025-02-13
The entities that hold a legal rights for patent applications filed by inventor Wei Wenping:
Wenping Wei from Shanghai, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Polyol Composition
#2 | 2021-12-09METHOD FOR PREPARING A RIGID POLYURETHANE FOAM
#3 | 2020-11-19POLYURETHANE FOAM COMPOSITE PANEL
#4 | 2019-04-25Polyurethane foam and a polyurethane composite comprising the same
2909562 ⎘