CN Patent

CN112533921B — 基于带有钆的pcta的造影剂

Assigned to Bracco Imaging SpA · Expires 2025-02-21 · 1y expired

What this patent protects

本发明涉及Gd(PCTA‑三‑戊二酸)的RRR/SSS对映异构体对、该对的单个对映异构体、其药学上可接受的盐、其酰胺衍生物和包含至少50％的这些化合物的组合物。

USPTO Abstract

本发明涉及Gd(PCTA‑三‑戊二酸)的RRR/SSS对映异构体对、该对的单个对映异构体、其药学上可接受的盐、其酰胺衍生物和包含至少50％的这些化合物的组合物。

Drugs covered by this patent

Patent Metadata

Patent number
CN112533921B
Jurisdiction
CN
Classification
—
Expires
2025-02-21
Drug substance claim
No
Drug product claim
No
Assignee
Bracco Imaging SpA
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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