US 6545149
Synthesis and crystallization of piperazine ring-containing compounds
expired A61PA61P25/24
Quick answer
US patent 6545149 (Synthesis and crystallization of piperazine ring-containing compounds) held by TEVA PHARMACEUTICAL INDUSTRIES, LTD. expires Mon Apr 03 2023 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- TEVA PHARMACEUTICAL INDUSTRIES, LTD.
- Grant date
- Tue Apr 08 2003 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Apr 03 2023 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 24
- CPC classes
- A61P, A61P25/24