US 6420415
Thiol compounds, their production and use
expired A61PA61P19/02A61P19/10
Quick answer
US patent 6420415 (Thiol compounds, their production and use) held by Takeda Chemical Industries Ltd. expires Mon Jul 11 2022 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- Takeda Chemical Industries Ltd.
- Grant date
- Tue Jul 16 2002 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Jul 11 2022 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 15
- CPC classes
- A61P, A61P19/02, A61P19/10