US 6340686
Thienopyrimidine compounds, their production and use
expired A61PA61P15/00A61P15/08
Quick answer
US patent 6340686 (Thienopyrimidine compounds, their production and use) held by Takeda Chemical Industries Ltd. expires Mon Jan 17 2022 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- Takeda Chemical Industries Ltd.
- Grant date
- Tue Jan 22 2002 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Jan 17 2022 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 24
- CPC classes
- A61P, A61P15/00, A61P15/08, A61P15/18, A61P35/00