US 6197350
Method of producing a sustained-release preparation
expired A61KA61K38/27A61K9/143
Quick answer
US patent 6197350 (Method of producing a sustained-release preparation) held by Takeda Chemical Industries Ltd. expires Mon Mar 01 2021 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- Takeda Chemical Industries Ltd.
- Grant date
- Tue Mar 06 2001 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Mar 01 2021 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 11
- CPC classes
- A61K, A61K38/27, A61K9/143, A61K9/146, A61K9/1611