CN Patent

CN107074816B — 一种杂环衍生物及其制备方法和在医药上的用途

Assigned to Sichuan Haisco Pharmaceutical Co Ltd · Expires 2020-07-17 · 6y expired

What this patent protects

一种通式(I)所示的化合物或其立体异构体、水合物、代谢产物、溶剂化物、药学上可接受的盐、共晶或前药,以及制备方法和在制备用于治疗气道阻塞性疾病药物中的应用,其中通式(I)化合物为 其中,各取代基的定义与说明书中一致。

USPTO Abstract

一种通式(I)所示的化合物或其立体异构体、水合物、代谢产物、溶剂化物、药学上可接受的盐、共晶或前药,以及制备方法和在制备用于治疗气道阻塞性疾病药物中的应用,其中通式(I)化合物为 其中,各取代基的定义与说明书中一致。

Drugs covered by this patent

Patent Metadata

Patent number
CN107074816B
Jurisdiction
CN
Classification
Expires
2020-07-17
Drug substance claim
No
Drug product claim
No
Assignee
Sichuan Haisco 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.