🇺🇸 FDA
Patent

US 11304914

Polymorphic and amorphous forms of (R)-2-hydroxy-2-methyl-4-(2,4,5-trimethyl-3,6-dioxocyclohexa-1,4-dienyl)butanamide

granted A61KA61K31/122A61K31/164

Quick answer

US patent 11304914 (Polymorphic and amorphous forms of (R)-2-hydroxy-2-methyl-4-(2,4,5-trimethyl-3,6-dioxocyclohexa-1,4-dienyl)butanamide) held by PTC THERAPEUTICS, INC. expires Mon Apr 14 2042 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.

Key facts

Applicant
PTC THERAPEUTICS, INC.
Grant date
Tue Apr 19 2022 00:00:00 GMT+0000 (Coordinated Universal Time)
Expiration
Mon Apr 14 2042 00:00:00 GMT+0000 (Coordinated Universal Time)
Claims
26
CPC classes
A61K, A61K31/122, A61K31/164, A61P, A61P13/02