CN Patent

CN106866641A — 一种阿法替尼的精制方法

Assigned to Shenwei Pharmaceutical Group Co Ltd · Expires 2017-06-20 · 9y expired

What this patent protects

本发明涉及一种将阿法替尼的精制方法，其是将阿法替尼粗品用酰胺类溶剂溶解，加水析晶。其产品杂质含量低，且适于工业化生产。

USPTO Abstract

本发明涉及一种将阿法替尼的精制方法，其是将阿法替尼粗品用酰胺类溶剂溶解，加水析晶。其产品杂质含量低，且适于工业化生产。

Drugs covered by this patent

afatinib-dimaleate (AFATINIB DIMALEATE)

Patent Metadata

Patent number: CN106866641A
Jurisdiction: CN
Classification: —
Expires: 2017-06-20
Drug substance claim: No
Drug product claim: No
Assignee: Shenwei Pharmaceutical Group 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.

Track this patent

Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.