CN Patent

CN118702735B — 福坦替尼杂质及其制备方法

Assigned to HEBEI CHANGSHAN BIOCHEMICAL PHARMACEUTICAL CO Ltd · Expires 2025-12-30 · 0y expired

What this patent protects

本发明涉及药物技术领域，提出了福坦替尼杂质及其制备方法。本发明首次公开了三种福坦替尼新杂质化合物并公开了三种福坦替尼新杂质化合物的制备方法，制得的三种杂质样品纯度高，适合作为杂质标准品或对照品，对福坦替尼的质量研究具有重要意义，制备方法操作简单，反应条件适中，收率高。

USPTO Abstract

本发明涉及药物技术领域，提出了福坦替尼杂质及其制备方法。本发明首次公开了三种福坦替尼新杂质化合物并公开了三种福坦替尼新杂质化合物的制备方法，制得的三种杂质样品纯度高，适合作为杂质标准品或对照品，对福坦替尼的质量研究具有重要意义，制备方法操作简单，反应条件适中，收率高。

Drugs covered by this patent

fostamatinib-disodium (FOSTAMATINIB DISODIUM)

Patent Metadata

Patent number: CN118702735B
Jurisdiction: CN
Classification: —
Expires: 2025-12-30
Drug substance claim: No
Drug product claim: No
Assignee: HEBEI CHANGSHAN BIOCHEMICAL 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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