CN Patent

CN113845520A — 一种帕布昔利布乳清酸盐及其制备方法

Assigned to Anhui Haoyuan Pharmaceutical Co ltd · Expires 2021-12-28 · 4y expired

What this patent protects

本发明提供了一种帕布昔利布乳清酸盐，该盐型中帕布昔利布与乳清酸摩尔比为1:1，结构如式(1)所示： 所述的帕布昔利布乳清酸盐晶型A，使用Cu‑Kα辐射检测的X射线粉末衍射图谱中2θ在约7.56，13.02，23.14±0.2度处有特征峰，该晶型A是热力学最稳定的晶型，且具有良好的溶解性和优异的物理和化学稳定性；另外该晶型A的制备方法操作简便，方法稳定可靠，重现性好，适合工业化放大生产。

USPTO Abstract

本发明提供了一种帕布昔利布乳清酸盐，该盐型中帕布昔利布与乳清酸摩尔比为1:1，结构如式(1)所示： 所述的帕布昔利布乳清酸盐晶型A，使用Cu‑Kα辐射检测的X射线粉末衍射图谱中2θ在约7.56，13.02，23.14±0.2度处有特征峰，该晶型A是热力学最稳定的晶型，且具有良好的溶解性和优异的物理和化学稳定性；另外该晶型A的制备方法操作简便，方法稳定可靠，重现性好，适合工业化放大生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN113845520A
Jurisdiction
CN
Classification
—
Expires
2021-12-28
Drug substance claim
No
Drug product claim
No
Assignee
Anhui Haoyuan 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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