Assignee
ZHEJIANG KEYONG CHEMICAL CO LTD
CN·3 granted patents·2 pending applications·3 citations·filing 2013–2021
Top patents by PatentIndex Score
5 records- 0175US10954392B2Reactive navy to black dye composition and dye product thereofZHEJIANG KEYONG CHEMICAL CO LTD·Filed 2018·Granted Mar 23, 2021·3 cites·21 claims
- 0242US2023392017A1A reactive dye compound and preparation method and application thereofZHEJIANG KEYONG CHEMICAL CO LTD·Filed 2021·Application pending·0 cites
- 0341US12516194B2Reactive navy to black dye composition and dye product thereofZHEJIANG KEYONG CHEMICAL CO LTD·Filed 2021·Granted Jan 6, 2026·0 cites·20 claims
- 0435US11370921B2Reactive dye compound and preparation method and application thereofZHEJIANG KEYONG CHEMICAL CO LTD·Filed 2018·Granted Jun 28, 2022·0 cites·19 claims
- 0532US2015232668A1Yellow Reactive Dye CompoundZHEJIANG KEYONG CHEMICAL CO LTD·Filed 2013·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →