CN Patent

CN112552315B — 一种巴洛沙韦玛波酯及其衍生物的纯化方法

Assigned to Beijing Tianxinyuan Pharmaceutical Science And Technology Development Co ltd · Expires 2023-05-23 · 3y expired

What this patent protects

本发明涉及一种巴洛沙韦玛波酯及其衍生物的纯化方法，该方法包括下述步骤，将低分子醇类溶剂加入巴洛沙韦玛波酯及其衍生物中，升温至溶解后，析晶，过滤，干燥，即得。该方法所得的纯化产品具有纯度高、粒径分布合适且无静电吸附现象，利于提高药物及其制剂的质量与质量均一性，并利于制剂加工。

USPTO Abstract

本发明涉及一种巴洛沙韦玛波酯及其衍生物的纯化方法，该方法包括下述步骤，将低分子醇类溶剂加入巴洛沙韦玛波酯及其衍生物中，升温至溶解后，析晶，过滤，干燥，即得。该方法所得的纯化产品具有纯度高、粒径分布合适且无静电吸附现象，利于提高药物及其制剂的质量与质量均一性，并利于制剂加工。

Drugs covered by this patent

Patent Metadata

Patent number
CN112552315B
Jurisdiction
CN
Classification
—
Expires
2023-05-23
Drug substance claim
No
Drug product claim
No
Assignee
Beijing Tianxinyuan Pharmaceutical Science And Technology Development 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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