Patents/Inventors

Yongjian Sun

ShandongCN1 patent

2 Patents

US122276102025
Aqueous Dispersion Comprising Polyurethane or Polyurethane-urea, Preparation Method Therefor and Use Thereof
WANHUA CHEMICAL (GUANGDONG) CO., Ltd.
0 cites
USD10373372024
Projector
Formovie (Chongqing) Innovative Technology Co., Ltd.
0 cites