CN Patent

CN115215797B — 一种苹果酸卡博替尼新晶型及其制备方法

Assigned to Sichuan Qingmu Pharmaceutical Co ltd · Expires 2024-04-12 · 2y expired

What this patent protects

本发明提供了一种L‑苹果酸卡博替尼新晶型及其制备方法，属于药物晶型领域。针对现有技术中溶解度很低，稳定性较差等问题，本申请开发了一种L‑苹果酸卡博替尼新晶型FormA。该新晶型为L‑苹果酸卡博替尼无水晶型，该晶型相比于现有技术具有在水中溶解度大，稳定性更好等优点，其制备方法简单，环保，重复性好，适合工业放大生产。

USPTO Abstract

本发明提供了一种L‑苹果酸卡博替尼新晶型及其制备方法，属于药物晶型领域。针对现有技术中溶解度很低，稳定性较差等问题，本申请开发了一种L‑苹果酸卡博替尼新晶型FormA。该新晶型为L‑苹果酸卡博替尼无水晶型，该晶型相比于现有技术具有在水中溶解度大，稳定性更好等优点，其制备方法简单，环保，重复性好，适合工业放大生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN115215797B
Jurisdiction
CN
Classification
—
Expires
2024-04-12
Drug substance claim
No
Drug product claim
No
Assignee
Sichuan Qingmu 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.

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.