CN Patent

CN105801517A — 一种沃替西汀氢溴酸盐新晶型及其制备方法

Assigned to Shanghai Aobo Bio Pharmaceutical Technology Co Ltd · Expires 2016-07-27 · 10y expired

What this patent protects

本发明涉及一种沃替西汀氢溴酸盐新晶型及其制备方法。所述的沃替西汀氢溴酸盐新晶型命名为晶型δ,使用Cu-Kα辐射检测的X射线粉末衍射图谱中,在约4.0°,11.5°,15.5°,17.7°,19.1°,20.8°,22.9°,27.2°,28.6°(2θ)处有特征峰。本发明还提供一种制备沃替西汀氢溴酸盐新晶型δ的方法,简便、重现性好,所得沃替西汀氢溴酸盐新晶型δ纯度高、稳定性好,适于工业化生产。

USPTO Abstract

本发明涉及一种沃替西汀氢溴酸盐新晶型及其制备方法。所述的沃替西汀氢溴酸盐新晶型命名为晶型δ,使用Cu-Kα辐射检测的X射线粉末衍射图谱中,在约4.0°,11.5°,15.5°,17.7°,19.1°,20.8°,22.9°,27.2°,28.6°(2θ)处有特征峰。本发明还提供一种制备沃替西汀氢溴酸盐新晶型δ的方法,简便、重现性好,所得沃替西汀氢溴酸盐新晶型δ纯度高、稳定性好,适于工业化生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN105801517A
Jurisdiction
CN
Classification
Expires
2016-07-27
Drug substance claim
No
Drug product claim
No
Assignee
Shanghai Aobo Bio Pharmaceutical 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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