US 6723855
Method for synthesizing leflunomide
expired A61KA61K31/42A61P
Quick answer
US patent 6723855 (Method for synthesizing leflunomide) held by TEVA PHARMACEUTICAL INDUSTRIES, LTD. expires Mon Apr 15 2024 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- TEVA PHARMACEUTICAL INDUSTRIES, LTD.
- Grant date
- Tue Apr 20 2004 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Apr 15 2024 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 26
- CPC classes
- A61K, A61K31/42, A61P, A61P11/02, A61P11/06