CA Patent

CA3033180C — Pharmaceutical compositions containing substituted polycyclic pyridone derivatives and prodrug thereof

Assigned to Shionogi and Co Ltd · Expires 2022-05-31 · 4y expired

What this patent protects

The present invention provides the following compound, crystal form and pharmaceutical composition thereof useful as antiviral agent.

USPTO Abstract

The present invention provides the following compound, crystal form and pharmaceutical composition thereof useful as antiviral agent.

Drugs covered by this patent

Xofluza (BALOXAVIR MARBOXIL) · Roche

Patent Metadata

Patent number: CA3033180C
Jurisdiction: CA
Classification: —
Expires: 2022-05-31
Drug substance claim: No
Drug product claim: No
Assignee: Shionogi and 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.

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