US 11564888
Extended release compositions comprising trihexyphenidyl
granted A61KA61K31/4453A61K47/12
Quick answer
US patent 11564888 (Extended release compositions comprising trihexyphenidyl) held by Amneal Complex Products Research LLC expires Mon Jan 26 2043 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- Amneal Complex Products Research LLC
- Grant date
- Tue Jan 31 2023 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Jan 26 2043 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 17
- CPC classes
- A61K, A61K31/4453, A61K47/12, A61K9/0053, A61K9/2054