US 6699881
Thiol compounds, their production and use
expired A61PA61P19/02A61P19/10
Quick answer
US patent 6699881 (Thiol compounds, their production and use) held by Takeda Chemical Industries Ltd. expires Mon Feb 26 2024 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- Takeda Chemical Industries Ltd.
- Grant date
- Tue Mar 02 2004 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Feb 26 2024 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 14
- CPC classes
- A61P, A61P19/02, A61P19/10