CN Patent

CN115244055B — 嘧啶并五元环类衍生物及其应用

Assigned to Jiangsu Simcere Pharmaceutical Co Ltd · Expires 2024-09-03 · 2y expired

What this patent protects

本申请提供了式(I)所示的嘧啶并五元环类化合物或其药学可接受的盐、药物组合物及其制备方法，以及作为JAK3和/或BTK抑制剂的用途。

USPTO Abstract

本申请提供了式(I)所示的嘧啶并五元环类化合物或其药学可接受的盐、药物组合物及其制备方法，以及作为JAK3和/或BTK抑制剂的用途。

Drugs covered by this patent

Litfulo (Ritlecitinib Tosylate) · Pfizer

Patent Metadata

Patent number: CN115244055B
Jurisdiction: CN
Classification: —
Expires: 2024-09-03
Drug substance claim: No
Drug product claim: No
Assignee: Jiangsu Simcere 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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