CN Patent

CN104892584B — 一种阿法替尼双马来酸盐无定型态及其制备方法、制剂

Assigned to Chongqing xingtaihao Pharmaceutical Co.,Ltd. · Expires 2018-03-23 · 8y expired

What this patent protects

本发明涉及晶型药物技术领域，特别涉及一种阿法替尼双马来酸盐无定型态及其制备方法、制剂。该阿法替尼双马来酸盐无定型态的DSC图谱在79～82℃有放热峰。本发明提供的阿法替尼双马来酸盐无定型态是阿法替尼双马来酸盐新的结晶形式，具有良好的稳定性和溶解性；该制备方法简化了操作步骤，有机残留低，水分含量低，不需要特殊设备，生产成本低，适合工业化生产。

USPTO Abstract

本发明涉及晶型药物技术领域，特别涉及一种阿法替尼双马来酸盐无定型态及其制备方法、制剂。该阿法替尼双马来酸盐无定型态的DSC图谱在79～82℃有放热峰。本发明提供的阿法替尼双马来酸盐无定型态是阿法替尼双马来酸盐新的结晶形式，具有良好的稳定性和溶解性；该制备方法简化了操作步骤，有机残留低，水分含量低，不需要特殊设备，生产成本低，适合工业化生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN104892584B
Jurisdiction
CN
Classification
—
Expires
2018-03-23
Drug substance claim
No
Drug product claim
No
Assignee
Chongqing xingtaihao 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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