Inventor
SUN JIAKUAN
CN6 patents
⚠️ This page may combine multiple inventors who share the name “SUN JIAKUAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WANHUA CHEMICAL GROUP CO LTD
5 patentsUS11118000B2Sep 14, 2021
Polyurethane or polyurethane-urea aqueous dispersion, preparation method therefor, and use thereof
WANHUA CHEMICAL GROUP CO LTD1 citations54
US11597796B2Mar 7, 2023
Ionic aqueous epoxy curing agent, preparation method therefor and use thereof
WANHUA CHEMICAL GROUP CO LTD0 citations53
US11964032B2Apr 23, 2024
Aqueous polyurethane functional mask substrate and application thereof
WANHUA CHEMICAL GROUP CO LTD0 citations46
US12251463B2Mar 18, 2025
Composition containing water-soluble non-ionic polyurethane dispersion, and preparation method therefor
WANHUA CHEMICAL GROUP CO LTD0 citations43
US12378475B2Aug 5, 2025
Preparation method for emulsifier, emulsifier, aqueous epoxy resin dispersion and formulation method
WANHUA CHEMICAL GROUP CO LTD0 citations42