US 6359134
Sulfonamide derivatives, their production and use
expired A61PA61P7/02
Quick answer
US patent 6359134 (Sulfonamide derivatives, their production and use) held by Takeda Chemical Industries Ltd. expires Mon Mar 14 2022 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- Takeda Chemical Industries Ltd.
- Grant date
- Tue Mar 19 2002 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Mar 14 2022 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 17
- CPC classes
- A61P, A61P7/02