CN Patent

CN106279134A — 卡格列净单晶及其制备方法和用途

Assigned to Waterstone Pharmaceuticals Wuhan Co Ltd · Expires 2017-01-04 · 9y expired

What this patent protects

本发明涉及一种卡格列净单晶及其制备方法和用途，述卡格列净单晶的X射线粉末衍射在衍射角2θ＝7.95，10.92，13.94，15.46，15.94，18.82，20.27，22.72和26.78度处有特征峰，所得单晶未见报道，测定其晶体结构属斜方晶系，空间群为P2(1)2(1)2(1)，晶包内分子数Z＝4，常温下为无色针状结晶，形态良好，纯度高达99％；其制备方法使得卡格列净与其他杂质实现良好的分离，且重现性好。

USPTO Abstract

本发明涉及一种卡格列净单晶及其制备方法和用途，述卡格列净单晶的X射线粉末衍射在衍射角2θ＝7.95，10.92，13.94，15.46，15.94，18.82，20.27，22.72和26.78度处有特征峰，所得单晶未见报道，测定其晶体结构属斜方晶系，空间群为P2(1)2(1)2(1)，晶包内分子数Z＝4，常温下为无色针状结晶，形态良好，纯度高达99％；其制备方法使得卡格列净与其他杂质实现良好的分离，且重现性好。

Drugs covered by this patent

Patent Metadata

Patent number
CN106279134A
Jurisdiction
CN
Classification
—
Expires
2017-01-04
Drug substance claim
No
Drug product claim
No
Assignee
Waterstone Pharmaceuticals Wuhan 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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