US 6117455
Sustained-release microcapsule of amorphous water-soluble pharmaceutical active agent
expired A61KA61K9/1611A61K9/1617
Quick answer
US patent 6117455 (Sustained-release microcapsule of amorphous water-soluble pharmaceutical active agent) held by Takeda Chemical Industries Ltd. expires Mon Sep 07 2020 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- Takeda Chemical Industries Ltd.
- Grant date
- Tue Sep 12 2000 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Sep 07 2020 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 42
- CPC classes
- A61K, A61K9/1611, A61K9/1617, A61K9/1623, A61K9/1647