US 6113941
Substained release microcapsule of physiologically active compound which is slightly water soluble at pH 6 to 8
expired A61KA61K31/4164A61K31/4184
Quick answer
US patent 6113941 (Substained release microcapsule of physiologically active compound which is slightly water soluble at pH 6 to 8) 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
- 20
- CPC classes
- A61K, A61K31/4164, A61K31/4184, A61K31/4192, A61K31/4196