Inventor
QIN CHENGQUN
CN4 patents
Patents
4 patentsUS11795265B2Oct 24, 2023
Macromonomeric stabilizer, preparation method thereof, and method for preparing polymeric polyol
WANHUA CHEMICAL GROUP CO LTD1 citations58
US11945775B2Apr 2, 2024
Stable dispersant and application thereof in preparing copolymer polyols
WANHUA CHEMICAL GROUP CO LTD0 citations57
US11780954B2Oct 10, 2023
Modified polyether polyol and use thereof in polyurethane foam materials
WANHUA CHEMICAL GROUP CO LTD0 citations54
US12565557B2Mar 3, 2026
Reaction system for preparing polymer polyol and method for preparing polymer polyol
WANHUA CHEMICAL GROUP CO LTD0 citations44