US 6884888
Process for the production of N-[3-(3-cyanopyrazolo[1,5-a] pyrimidin-7-yl) phenyl]-N-ethylacetamide (zaleplon)
expired A61PA61P25/20A61P25/22
Quick answer
US patent 6884888 (Process for the production of N-[3-(3-cyanopyrazolo[1,5-a] pyrimidin-7-yl) phenyl]-N-ethylacetamide (zaleplon)) held by Teva Gyogyszergyar Reszvenytarsasag expires Mon Apr 21 2025 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- Teva Gyogyszergyar Reszvenytarsasag
- Grant date
- Tue Apr 26 2005 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Apr 21 2025 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 24
- CPC classes
- A61P, A61P25/20, A61P25/22