US 6214838
Thienodipyridine derivatives, production and use thereof
expired A61PA61P29/00
Quick answer
US patent 6214838 (Thienodipyridine derivatives, production and use thereof) held by Takeda Chemical Industries Ltd. expires Mon Apr 05 2021 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- Takeda Chemical Industries Ltd.
- Grant date
- Tue Apr 10 2001 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Apr 05 2021 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 33
- CPC classes
- A61P, A61P29/00