US 6613805
Amine compounds, their production and use
expired A61PA61P25/28
Quick answer
US patent 6613805 (Amine compounds, their production and use) held by Takeda Chemical Industries Ltd. expires Mon Aug 28 2023 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- Takeda Chemical Industries Ltd.
- Grant date
- Tue Sep 02 2003 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Aug 28 2023 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 33
- CPC classes
- A61P, A61P25/28