US 6531604
Benzothiepine derivatives, their production and use
expired A61PA61P19/08
Quick answer
US patent 6531604 (Benzothiepine derivatives, their production and use) held by Takeda Chemical Industries Ltd. expires Mon Mar 06 2023 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- Takeda Chemical Industries Ltd.
- Grant date
- Tue Mar 11 2003 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Mar 06 2023 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 2
- CPC classes
- A61P, A61P19/08