CN Patent

CN114929700B — 三并环类pde3/pde4双重抑制剂化合物的药物组合物

Assigned to Chia Tai Tianqing Pharmaceutical Group Co Ltd · Expires 2024-11-22 · 1y expired

What this patent protects

三并环类PDE3/PDE4双重抑制剂化合物的药物组合物及其制备方法，具体而言涉及式(I)化合物或其可药用盐的药物组合物、其制备方法及其用途。

USPTO Abstract

三并环类PDE3/PDE4双重抑制剂化合物的药物组合物及其制备方法，具体而言涉及式(I)化合物或其可药用盐的药物组合物、其制备方法及其用途。

Drugs covered by this patent

Ohtuvayre (ENSIFENTRINE) · Verona Pharma

Patent Metadata

Patent number: CN114929700B
Jurisdiction: CN
Classification: —
Expires: 2024-11-22
Drug substance claim: No
Drug product claim: No
Assignee: Chia Tai Tianqing 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.