CN Patent

CN106565699A — 一种艾沙康唑硫酸盐晶体及其制备方法

Assigned to Jiangsu Chia Tai Fenghai Pharmaceutical Co Ltd · Expires 2017-04-19 · 9y expired

What this patent protects

本发明涉及一种艾沙康唑硫酸盐晶体形式及其制备方法和药物组合物。该晶型稳定、纯度高、重现性好，适合用于制备药品制剂；该制备方法是在低温下先将艾沙康唑盐酸盐用碱游离，然后再经过浓硫酸和双氧水进行盐交换，之后进行重结晶。该方法反应条件温和，产物后处理简单、纯度高，满足工业放大生产的基本要求。

USPTO Abstract

本发明涉及一种艾沙康唑硫酸盐晶体形式及其制备方法和药物组合物。该晶型稳定、纯度高、重现性好，适合用于制备药品制剂；该制备方法是在低温下先将艾沙康唑盐酸盐用碱游离，然后再经过浓硫酸和双氧水进行盐交换，之后进行重结晶。该方法反应条件温和，产物后处理简单、纯度高，满足工业放大生产的基本要求。

Drugs covered by this patent

Patent Metadata

Patent number
CN106565699A
Jurisdiction
CN
Classification
—
Expires
2017-04-19
Drug substance claim
No
Drug product claim
No
Assignee
Jiangsu Chia Tai Fenghai 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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