CN Patent

CN106478608A — 沃拉帕沙的硫酸盐的结晶多晶型物

Assigned to Borui Pharmaceutical (suzhou) Ltd By Share Ltd · Expires 2017-03-08 · 9y expired

What this patent protects

本发明提供了一种沃拉帕沙的硫酸盐的结晶多晶型物A，显示出具有12.1、15.5、19.3和20.8度2θ的特征性峰位置的粉末X射线衍射模式。所述晶型稳定性好，长期放置，极少产生降解杂质。本发明还提供了上述晶型的制备方法和在制备药物中的用途。所述制备方法操作简便，工艺稳定性好，制备的产品纯度高，适合工业化生产。

USPTO Abstract

本发明提供了一种沃拉帕沙的硫酸盐的结晶多晶型物A，显示出具有12.1、15.5、19.3和20.8度2θ的特征性峰位置的粉末X射线衍射模式。所述晶型稳定性好，长期放置，极少产生降解杂质。本发明还提供了上述晶型的制备方法和在制备药物中的用途。所述制备方法操作简便，工艺稳定性好，制备的产品纯度高，适合工业化生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN106478608A
Jurisdiction
CN
Classification
—
Expires
2017-03-08
Drug substance claim
No
Drug product claim
No
Assignee
Borui Pharmaceutical (suzhou) Ltd By Share 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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