CN Patent

CN105541818A — 一种卡格列净水合物新晶型及其制备方法

Assigned to Zhejiang Huahai Pharmaceutical Co Ltd · Expires 2016-05-04 · 10y expired

What this patent protects

本发明提供了一种卡格列净水合物新晶型及其制备方法，所述的卡格列净水合物新晶型的TGA图在80-100℃失重为1.35％，其用CuKa射线作为特征X射线粉末测定中，其图谱具有下列2Θ衍射角：3.9±0.2°、7.9±0.2°、13.0±0.2°、15.4±0.2°、20.2±0.2°。本发明方法具有操作简单，收率高，重现性好，更易于商业化大生产等优点，制备出的水合物新晶型理化性质稳定、纯度高。

USPTO Abstract

本发明提供了一种卡格列净水合物新晶型及其制备方法，所述的卡格列净水合物新晶型的TGA图在80-100℃失重为1.35％，其用CuKa射线作为特征X射线粉末测定中，其图谱具有下列2Θ衍射角：3.9±0.2°、7.9±0.2°、13.0±0.2°、15.4±0.2°、20.2±0.2°。本发明方法具有操作简单，收率高，重现性好，更易于商业化大生产等优点，制备出的水合物新晶型理化性质稳定、纯度高。

Drugs covered by this patent

Patent Metadata

Patent number
CN105541818A
Jurisdiction
CN
Classification
—
Expires
2016-05-04
Drug substance claim
No
Drug product claim
No
Assignee
Zhejiang Huahai Pharmaceutical 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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