US Patent

US8987441 — Substituted polycyclic carbamoyl pyridone derivative prodrug

Composition of Matter · Assigned to Shionogi and Co Ltd · Expires 2032-10-24 · 6y remaining

Vulnerability score 17/100 Ironclad — strong claim type, well-established, deep family

What this patent protects

This patent protects a compound, specifically a substituted 3-hydroxy-4-pyridone derivative prodrug, with antiviral effects against influenza viruses.

USPTO Abstract

The present invention provides a compound having antiviral effects, particularly having growth inhibitory activity on influenza viruses, a preferred example of the compound being a substituted 3-hydroxy-4-pyridone derivative prodrug having cap-dependent endonuclease inhibitory activity.

Drugs covered by this patent

Patent Metadata

Patent number
US8987441
Jurisdiction
US
Classification
Composition of Matter
Expires
2032-10-24
Drug substance claim
Yes
Drug product claim
Yes
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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