US 6528093
Sustained-release preparation
expired A61KA61K38/00A61K38/09
Quick answer
US patent 6528093 (Sustained-release preparation) held by Takeda Chemical Industries Ltd. expires Mon Feb 27 2023 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- Takeda Chemical Industries Ltd.
- Grant date
- Tue Mar 04 2003 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Feb 27 2023 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 19
- CPC classes
- A61K, A61K38/00, A61K38/09, A61K9/1647, A61P