CN Patent

CN111138436A — 伊布替尼晶型a单晶及其制备方法

Assigned to Lunan Pharmaceutical Group Corp · Expires 2020-05-12 · 6y expired

What this patent protects

本发明属于化学药物制备技术领域，具体公开了伊布替尼晶型A单晶及其制备方法，将伊布替尼晶型A溶于良溶剂中，完全溶解后加入不良溶剂过滤析晶即得。经过本发明的技术方案可以培养出更多形状良好的伊布替尼晶型A单晶，工艺简单，单晶培养时间短，晶型稳定，易于挑选，在室温下挑选不易融化。

USPTO Abstract

本发明属于化学药物制备技术领域，具体公开了伊布替尼晶型A单晶及其制备方法，将伊布替尼晶型A溶于良溶剂中，完全溶解后加入不良溶剂过滤析晶即得。经过本发明的技术方案可以培养出更多形状良好的伊布替尼晶型A单晶，工艺简单，单晶培养时间短，晶型稳定，易于挑选，在室温下挑选不易融化。

Drugs covered by this patent

Patent Metadata

Patent number
CN111138436A
Jurisdiction
CN
Classification
—
Expires
2020-05-12
Drug substance claim
No
Drug product claim
No
Assignee
Lunan Pharmaceutical Group Corp
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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