US 6872718
Tricyclic dihydrobenzofuran derivatives, process for the preparation thereof and agents
expired A61PA61P13/02A61P25/00
Quick answer
US patent 6872718 (Tricyclic dihydrobenzofuran derivatives, process for the preparation thereof and agents) held by Takeda Chemical Industries Ltd. expires Mon Mar 24 2025 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- Takeda Chemical Industries Ltd.
- Grant date
- Tue Mar 29 2005 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Mar 24 2025 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 20
- CPC classes
- A61P, A61P13/02, A61P25/00, A61P25/16, A61P25/28