Inventor
Wang Majishi
CN4 patents
Patents
4 patentsUS12404366B2Sep 2, 2025
System and method for preparing polyether amine by catalytic amination of polyether diol
ZHEJIANG HUANGMA TECH CO LTD0 citations44
US12378451B2Aug 5, 2025
Low-viscosity silane-terminated resin for sealant and preparation method thereof
ZHEJIANG HUANGMA TECH CO LTD0 citations43
US12509550B2Dec 30, 2025
Preparation process of allyl alcohol polyether with low potassium and sodium content
ZHEJIANG HUANGMA TECH CO LTD0 citations41
US11845831B2Dec 19, 2023
High-molecular weight allyl alcohol polyoxyethylene polyoxypropylene ether and preparation method
ZHEJIANG HUANGMA TECH CO LTD0 citations38