US Patent

US9339466 — Polymorphic forms of ST-246 and methods of preparation

Composition of Matter · Assigned to Siga Technologies Inc · Expires 2031-03-23 · 5y remaining

Vulnerability score 10/100 Ironclad — strong claim type, well-established, deep family

What this patent protects

This patent protects polymorphic forms of the compound ST-246 and methods for preparing them, as well as pharmaceutical compositions containing these forms.

USPTO Abstract

Polymorph forms of 4-trifluoromethyl-N-(3,3a,4,4a,5,5a,6,6a-octahydro-1,3-dioxo-4,6-ethenocycloprop[f]isoindol-2(1H)-yl)-benzamide are disclosed as well as their methods of synthesis and pharmaceutical compositions.

Drugs covered by this patent

Patent Metadata

Patent number: US9339466
Jurisdiction: US
Classification: Composition of Matter
Expires: 2031-03-23
Drug substance claim: Yes
Drug product claim: Yes
Assignee: Siga Technologies Inc
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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