CN Patent

CN107793451A — 替诺福韦艾拉酚胺半富马酸盐化合物及其药物组合物

Assigned to Jiangsu Aosaikang Pharmaceutical Co Ltd · Expires 2018-03-13 · 8y expired

What this patent protects

本发明提供了替诺福韦艾拉酚胺半富马酸盐化合物的多种晶型,尤其是晶型I,具有良好的稳定性,适合制备制剂。所述晶型I使用Cu靶辐射,以2θ角度表示的X‑射线粉末衍射图谱在约5.28±0.2、6.88±0.2、10.95±0.2、16.19±0.2、19.55±0.2、20.67±0.2、21.27±0.2、26.59±0.2度处有特征峰,并且该晶型的制备方法操作简单,适合工业化生产应用。

USPTO Abstract

本发明提供了替诺福韦艾拉酚胺半富马酸盐化合物的多种晶型,尤其是晶型I,具有良好的稳定性,适合制备制剂。所述晶型I使用Cu靶辐射,以2θ角度表示的X‑射线粉末衍射图谱在约5.28±0.2、6.88±0.2、10.95±0.2、16.19±0.2、19.55±0.2、20.67±0.2、21.27±0.2、26.59±0.2度处有特征峰,并且该晶型的制备方法操作简单,适合工业化生产应用。

Drugs covered by this patent

Patent Metadata

Patent number
CN107793451A
Jurisdiction
CN
Classification
Expires
2018-03-13
Drug substance claim
No
Drug product claim
No
Assignee
Jiangsu Aosaikang Pharmaceutical Co Ltd
Source
FDA Orange Book + USPTO grounding via Google Patents

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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