US 6113943
Sustained-release preparation capable of releasing a physiologically active substance
expired A61KA61K38/09A61K9/1647
Quick answer
US patent 6113943 (Sustained-release preparation capable of releasing a physiologically active substance) held by Takeda Chemical Industries Ltd. expires Mon Aug 31 2020 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- Takeda Chemical Industries Ltd.
- Grant date
- Tue Sep 05 2000 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Aug 31 2020 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 18
- CPC classes
- A61K, A61K38/09, A61K9/1647, A61P, A61P15/18