Inventor · disambiguated record
Minggui Song
Also filed as: SONG MINGGUI
1 granted patent·3 pending applications·0 citations·filing 2022–2024
4Inventor score
Files withZHEJIANG HUANGMA TECH CO LTD4
Top patents by PatentIndex Score
4 records- 0165US2024408584A1Reductive amination catalyst for preparation of polyether amine and its preparation methodZHEJIANG HUANGMA TECH CO LTD·Filed 2024·Application pending·0 cites
- 0264US12404366B2System and method for preparing polyether amine by catalytic amination of polyether diolZHEJIANG HUANGMA TECH CO LTD·Filed 2022·Granted Sep 2, 2025·0 cites·10 claims
- 0360US2023303769A1Method for Preparing Polyether Amine Catalyst, and Polyether AmineZHEJIANG HUANGMA TECH CO LTD·Filed 2022·Application pending·0 cites
- 0459US2024336733A1Amination process of micromolecular polyoxypropylene etherZHEJIANG HUANGMA TECH CO LTD·Filed 2024·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →