CN Patent

CN105646484A — 晶型b及制备方法

Assigned to Individual · Expires 2016-06-08 · 10y expired

What this patent protects

本发明公开晶型B，其特征在于，使用Cu-Kα辐射，以2θ角度表示的X-射线粉末衍射(X-RPD)在6.4±0.2°，7.9±0.2°，8.7±0.2°，9.8±0.2°，10.0±0.2°，17.0±0.2°处有衍射峰。本发明所述的晶型B可安全地大规模制备并纯化，且储存稳定，不具有吸湿性，非常适用于制备吸入性制剂，与乳糖和淀粉等赋形剂的兼容性好。

USPTO Abstract

本发明公开晶型B，其特征在于，使用Cu-Kα辐射，以2θ角度表示的X-射线粉末衍射(X-RPD)在6.4±0.2°，7.9±0.2°，8.7±0.2°，9.8±0.2°，10.0±0.2°，17.0±0.2°处有衍射峰。本发明所述的晶型B可安全地大规模制备并纯化，且储存稳定，不具有吸湿性，非常适用于制备吸入性制剂，与乳糖和淀粉等赋形剂的兼容性好。

Drugs covered by this patent

Patent Metadata

Patent number
CN105646484A
Jurisdiction
CN
Classification
—
Expires
2016-06-08
Drug substance claim
No
Drug product claim
No
Assignee
Individual
Source
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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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