CN Patent

CN119751292A — 一种甲苯磺酸奥玛环素的精制方法

Assigned to Chongqing Changjie Pharmaceutical Co ltd · Expires 2025-04-04 · 1y expired

What this patent protects

本发明属于医药合成领域，涉及一种纯化甲苯磺酸奥马环素的方法。包括将其在丙酮或乙腈混合溶剂析晶的过程。本发明提供的精制方法纯化效果好，可以获得高纯度，晶型为3型晶的甲苯磺酸奥马环素，并且收率高。

USPTO Abstract

本发明属于医药合成领域，涉及一种纯化甲苯磺酸奥马环素的方法。包括将其在丙酮或乙腈混合溶剂析晶的过程。本发明提供的精制方法纯化效果好，可以获得高纯度，晶型为3型晶的甲苯磺酸奥马环素，并且收率高。

Drugs covered by this patent

Patent Metadata

Patent number
CN119751292A
Jurisdiction
CN
Classification
—
Expires
2025-04-04
Drug substance claim
No
Drug product claim
No
Assignee
Chongqing Changjie 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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