Patent intelligence · US
US 11304914
Polymorphic and amorphous forms of (R)-2-hydroxy-2-methyl-4-(2,4,5-trimethyl-3,6-dioxocyclohexa-1,4-dienyl)butanamide
Polymorphic and amorphous forms of (R)-2-hydroxy-2-methyl-4-(2,4,5-trimethyl-3,6-dioxocyclohexa-1,4-dienyl)butanamide
Patent details — US 11304914
- Jurisdiction
- US
- Status
- granted
- Grant date
- Apr 19, 2022
- Expiration
- Apr 14, 2042
- Applicant
- PTC THERAPEUTICS, INC.
- Claims
- 26
- CPC classes
- A61K, A61K31/122, A61K31/164, A61P
Quick answer
US 11304914 (Polymorphic and amorphous forms of (R)-2-hydroxy-2-methyl-4-(2,4,5-trimethyl-3,6-dioxocyclohexa-1,4-dienyl)butanamide) is held by PTC THERAPEUTICS, INC.. Status: granted. Granted Apr 19, 2022. Expires Apr 14, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Applicant
- PTC THERAPEUTICS, INC.
- Grant date
- Expiration
- Claims
- 26
- CPC classes
- A61K, A61K31/122, A61K31/164, A61P, A61P13/02, A61P13/12
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Polymorphic forms of (R)-2-hydroxy-2-methyl-4-(2,4,5-trimethyl-3,6-dioxocyclohexa-1,4-dienyl)butanamide
granted
Frequently asked questions
What is US patent 11304914?
US 11304914 (Polymorphic and amorphous forms of (R)-2-hydroxy-2-methyl-4-(2,4,5-trimethyl-3,6-dioxocyclohexa-1,4-dienyl)butanamide) is held by PTC THERAPEUTICS, INC.. Status: granted. Granted Apr 19, 2022. Expires Apr 14, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 11304914?
PTC THERAPEUTICS, INC. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 149 pharmaceutical patents for this assignee.
When does US 11304914 expire?
Our index shows an expiration date of Apr 14, 2042 (16 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.