CN Patent

CN112334465B — 三环取代的氧杂螺环衍生物、其制法与医药上的用途

Assigned to Yangtze River Pharmaceutical Group Co Ltd · Expires 2024-06-11 · 2y expired

What this patent protects

提供了三环取代的氧杂螺环衍生物、其制法与医药上的用途。具体地，公开了式(I)和式(Ⅱ)化合物或其药学上可接受的盐、立体异构体或溶剂化物，及其制备方法和应用。

USPTO Abstract

提供了三环取代的氧杂螺环衍生物、其制法与医药上的用途。具体地，公开了式(I)和式(Ⅱ)化合物或其药学上可接受的盐、立体异构体或溶剂化物，及其制备方法和应用。

Drugs covered by this patent

Patent Metadata

Patent number
CN112334465B
Jurisdiction
CN
Classification
—
Expires
2024-06-11
Drug substance claim
No
Drug product claim
No
Assignee
Yangtze River Pharmaceutical Group 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.