CN Patent

CN107954947A — 沃替西汀氢溴酸盐晶型c及其制备方法

Assigned to BEIJING LUNARSUN MEDICAL TECHNOLOGY Co Ltd · Expires 2018-04-24 · 8y expired

What this patent protects

本发明公开了沃替西汀氢溴酸盐半水合物的新晶型C，并公开了其制备方法及药物组合物。沃替西汀氢溴酸盐半水合物的新晶型C的粉末衍射图谱包含2θ±0.20º为：4.50，6.10，7.74，11.10，12.20，19.08，25.20，27.62的特征峰。新晶型溶解度好，物理化学性质稳定，适用于各种形式制剂。晶型制备工艺简单，易于转化产业规模，适合工业化生产。

USPTO Abstract

本发明公开了沃替西汀氢溴酸盐半水合物的新晶型C，并公开了其制备方法及药物组合物。沃替西汀氢溴酸盐半水合物的新晶型C的粉末衍射图谱包含2θ±0.20º为：4.50，6.10，7.74，11.10，12.20，19.08，25.20，27.62的特征峰。新晶型溶解度好，物理化学性质稳定，适用于各种形式制剂。晶型制备工艺简单，易于转化产业规模，适合工业化生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN107954947A
Jurisdiction
CN
Classification
—
Expires
2018-04-24
Drug substance claim
No
Drug product claim
No
Assignee
BEIJING LUNARSUN MEDICAL TECHNOLOGY 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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