CN Patent

CN106478597A — 富马酸沃诺拉赞单晶及其制备方法和用途

Assigned to Waterstone Pharmaceuticals Wuhan Co Ltd · Expires 2017-03-08 · 9y expired

What this patent protects

本发明涉及富马酸沃诺拉赞单晶及其制备方法和用途，所述富马酸沃诺拉赞单晶的X射线粉末衍射在衍射角2θ＝11.4，12.3，13.5，15.1，15.3，16.9，18.6，20.4，20.7，22.4和25.1处有特征峰，所得单晶未见报道，测定其晶体结构属单斜晶系，空间群为P2(1)/c，晶包内分子数Z＝4，常温下为无色斜方结晶，形态良好，HPLC纯度高达99.5％以上；其制备方法使得富马酸沃诺拉赞与其他杂质实现良好的分离，且重现性好。

USPTO Abstract

本发明涉及富马酸沃诺拉赞单晶及其制备方法和用途，所述富马酸沃诺拉赞单晶的X射线粉末衍射在衍射角2θ＝11.4，12.3，13.5，15.1，15.3，16.9，18.6，20.4，20.7，22.4和25.1处有特征峰，所得单晶未见报道，测定其晶体结构属单斜晶系，空间群为P2(1)/c，晶包内分子数Z＝4，常温下为无色斜方结晶，形态良好，HPLC纯度高达99.5％以上；其制备方法使得富马酸沃诺拉赞与其他杂质实现良好的分离，且重现性好。

Drugs covered by this patent

vonoprazan-fumarate (VONOPRAZAN FUMARATE)

Patent Metadata

Patent number: CN106478597A
Jurisdiction: CN
Classification: —
Expires: 2017-03-08
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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