Inventor
YAN CHENGYUE
CN2 patents
Patents
2 patentsUS12304993B2May 20, 2025
Storage-stable polyisocyanate composition and preparation method
WANHUA CHEMICAL GROUP CO LTD0 citations58
US12516191B2Jan 6, 2026
Isocyanurate-containing polyisocyanate composition with stable chromaticity, and preparation method thereof
WANHUA CHEMICAL GROUP CO LTD0 citations42