US 6071497
Microparticles for lung delivery comprising diketopiperazine
expired A61KA61K9/0073A61K9/0075
Quick answer
US patent 6071497 (Microparticles for lung delivery comprising diketopiperazine) held by Pharmaceutical Discovery Corporation expires Mon Jun 01 2020 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- Pharmaceutical Discovery Corporation
- Grant date
- Tue Jun 06 2000 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Jun 01 2020 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 14
- CPC classes
- A61K, A61K9/0073, A61K9/0075, A61K9/1617, A61K9/5146