Patent · US Active

Polymorphic forms of ST-246 and methods of preparation

US11890270B2 · kind B2 · utility

0Cited by

13References

8Claims

0Family size

Assignee

Siga Technologies, Inc. · US

Inventors

Shanthakumar R. Tyavanagimatt · Corvallis, US
Melialani A.C.L.S. ANDERSON · Corvallis, US
William C. Weimers · Corvallis, US
Dylan Nelson · Corvallis, US
Tove' C. BOLKEN · Keizer, US
Dennis E. Hruby · Albany, US
Michael H. O'Neill · Painesville, US
Gary Sweetapple · Madison, US
Kelley A. McCloughan · South Haven, US

Key dates

Filing date	Dec 29, 2020
Grant date	Feb 6, 2024
Priority date	—
Expiry date	May 17, 2042

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D209/76
WIPO fieldPharmaceuticals
WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.