CN Patent

CN110903291B — 一种杂芳基并[4,3-c]嘧啶-5-胺类衍生物的盐、盐的晶型及制备方法

Assigned to Jiangsu Hengrui Medicine Co Ltd · Expires 2021-09-03 · 5y expired

What this patent protects

本发明涉及一种杂芳基并[4,3‑c]嘧啶‑5‑胺类衍生物的盐、盐的晶型及制备方法。具体地，本发明涉及式I化合物的盐、盐的晶型及制备方法。本发明式I化合物的盐的晶型具备良好的晶型稳定性，可更好地用于临床。

USPTO Abstract

本发明涉及一种杂芳基并[4,3‑c]嘧啶‑5‑胺类衍生物的盐、盐的晶型及制备方法。具体地，本发明涉及式I化合物的盐、盐的晶型及制备方法。本发明式I化合物的盐的晶型具备良好的晶型稳定性，可更好地用于临床。

Drugs covered by this patent

Patent Metadata

Patent number
CN110903291B
Jurisdiction
CN
Classification
—
Expires
2021-09-03
Drug substance claim
No
Drug product claim
No
Assignee
Jiangsu Hengrui Medicine 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.