US 6211215
Heterocyclic compounds, their production and use
expired A61PA61P35/00
Quick answer
US patent 6211215 (Heterocyclic compounds, their production and use) held by Takeda Chemical Industries Ltd. expires Mon Mar 29 2021 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- Takeda Chemical Industries Ltd.
- Grant date
- Tue Apr 03 2001 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Mar 29 2021 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 21
- CPC classes
- A61P, A61P35/00