CN Patent

CN118251404B — 药物中间体及其制备方法

Assigned to Fujian Guangsheng Zhonglin Biotechnology Co ltd · Expires 2025-10-10 · 1y expired

What this patent protects

本发明公开了一种药物中间体及其制备方法，具体公开了式(I)化合物及其制备方法。

USPTO Abstract

本发明公开了一种药物中间体及其制备方法，具体公开了式(I)化合物及其制备方法。

Drugs covered by this patent

Paxlovid (Copackaged) (Nirmatrelvir) · Pfizer

Patent Metadata

Patent number: CN118251404B
Jurisdiction: CN
Classification: —
Expires: 2025-10-10
Drug substance claim: No
Drug product claim: No
Assignee: Fujian Guangsheng Zhonglin Biotechnology 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.