US 6849737
Synthesis and purification of valacyclovir
expired A61PA61P31/22
Quick answer
US patent 6849737 (Synthesis and purification of valacyclovir) held by TEVA PHARMACEUTICAL INDUSTRIES, LTD. expires Mon Jan 27 2025 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- TEVA PHARMACEUTICAL INDUSTRIES, LTD.
- Grant date
- Tue Feb 01 2005 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Jan 27 2025 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 24
- CPC classes
- A61P, A61P31/22