Assignee
QINGDAO HAILAN PHARMACEUTICALS CO LTD
CN·2 granted patents·1 pending application·2 citations·filing 2018–2021
Top patents by PatentIndex Score
3 records- 0169US11197855B2Use of ligustrazine nitrone derivatives in prevention and treatment of diabetic complication diseasesQINGDAO HAILAN PHARMACEUTICALS CO LTD·Filed 2018·Granted Dec 14, 2021·2 cites·9 claims
- 0249US12377095B2Use of ligustrazine nitrone derivatives in treatment and prevention of diabetic complication diseasesQINGDAO HAILAN PHARMACEUTICALS CO LTD·Filed 2021·Granted Aug 5, 2025·0 cites·19 claims
- 0342US2022371987A1Process for manufacture of amantadine nitrate derivativesQINGDAO HAILAN PHARMACEUTICALS CO LTD·Filed 2019·Application pending·0 cites
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