Assignee
WEISHANG SHANGHAI BIO PHARMACEUTICAL CO LTD
CN·2 granted patents·3 pending applications·0 citations·filing 2017–2025
Top patents by PatentIndex Score
5 records- 0159US2025282752A1Quinazoline Derivative Salt Crystal Form, Preparation Method and ApplicationWEISHANG SHANGHAI BIO PHARMACEUTICAL CO LTD·Filed 2025·Application pending·0 cites
- 0258US2025092015A1A 6-substituted Chiral Pure Difluoropiperidine Quinazoline Derivative And Its Preparation MethodWEISHANG SHANGHAI BIO PHARMACEUTICAL CO LTD·Filed 2023·Application pending·0 cites
- 0358US2026069592A1Use of a quinazoline compound in overcoming osimertinib resistanceWEISHANG SHANGHAI BIO PHARMACEUTICAL CO LTD·Filed 2024·Application pending·0 cites
- 0446US12371415B2Quinazoline derivative salt crystal form, preparation method and applicationWEISHANG SHANGHAI BIO PHARMACEUTICAL CO LTD·Filed 2019·Granted Jul 29, 2025·0 cites·27 claims
- 0537US11168067B2Substituted quinazoline compound having blood-brain barrier penetration capabilityWEISHANG SHANGHAI BIO PHARMACEUTICAL CO LTD·Filed 2017·Granted Nov 9, 2021·0 cites·3 claims
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