CN Patent
CN111559997A — 一种达格列净新晶型及其制备方法
Assigned to Luoxin Biotechnology Shanghai Co ltd · Expires 2020-08-21 · 6y expired
What this patent protects
本发明涉及一种达格列净新晶型及其制备方法。具体而言,本发明的达格列净新晶型的使用Cu‑Kα测量的X射线粉末衍射图谱在以下2θ角处具有特征衍射峰:5.347±0.2°,7.623±0.2°,10.484±0.2°,15.308±0.2°,15.850±0.2°。本发明的晶型的含水量低、纯度高、产品稳定性高、晶癖好。
USPTO Abstract
本发明涉及一种达格列净新晶型及其制备方法。具体而言,本发明的达格列净新晶型的使用Cu‑Kα测量的X射线粉末衍射图谱在以下2θ角处具有特征衍射峰:5.347±0.2°,7.623±0.2°,10.484±0.2°,15.308±0.2°,15.850±0.2°。本发明的晶型的含水量低、纯度高、产品稳定性高、晶癖好。
Drugs covered by this patent
- Farxiga (DAPAGLIFLOZIN) · AstraZeneca
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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