US 6723716
7-acylamino-3-heteroarylthio-3-cephem carboxylic acid antibiotics and prodrugs thereof
expired A61PA61P31/04
Quick answer
US patent 6723716 (7-acylamino-3-heteroarylthio-3-cephem carboxylic acid antibiotics and prodrugs thereof) held by Essential Therapeutics, Inc. expires Mon Apr 15 2024 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- Essential Therapeutics, Inc.
- 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
- 23
- CPC classes
- A61P, A61P31/04