Assignee
HANGZHOU POLY MATERIAL SCIENCE & TECH CO LTD
CN·0 granted patents·2 pending applications·0 citations·filing 2021–2023
Top patents by PatentIndex Score
2 records- 0175US2023338933A1Mixed-acid modified zinc-cobalt double metal cyanide catalyst and preparation method thereofHANGZHOU POLY MATERIAL SCIENCE & TECH CO LTD·Filed 2023·Application pending·0 cites
- 0265US2021213431A1Mixed-acid modified zinc-cobalt double metal cyanide catalyst and preparation method thereofHANGZHOU POLY MATERIAL SCIENCE & TECH CO LTD·Filed 2021·Application pending·0 cites
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