Inventor
SUN LIDONG
CN4 patents
⚠️ This page may combine multiple inventors who share the name “SUN LIDONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WANHUA CHEMICAL GROUP CO LTD
2 patentsUS11111332B2Sep 7, 2021
Isocyanate polymerization catalyst, preparation method thereof, and method for preparing polyisocyanate by using same
WANHUA CHEMICAL GROUP CO LTD0 citations60
US12516191B2Jan 6, 2026
Isocyanurate-containing polyisocyanate composition with stable chromaticity, and preparation method thereof
WANHUA CHEMICAL GROUP CO LTD0 citations42