US 6022564
Method for producing a microparticle
expired A61KA61K31/38A61K31/382
Quick answer
US patent 6022564 (Method for producing a microparticle) held by Takeda Chemical Industries Ltd. expires Mon Feb 03 2020 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- Takeda Chemical Industries Ltd.
- Grant date
- Tue Feb 08 2000 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Feb 03 2020 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 15
- CPC classes
- A61K, A61K31/38, A61K31/382, A61K31/67, A61K31/683