US 6056968
Pharmaceutical drug dosage forms providing different release rates
expired A61KA61K9/2054A61K9/209
Quick answer
US patent 6056968 (Pharmaceutical drug dosage forms providing different release rates) held by Darwin Discovery Limited expires Mon Apr 27 2020 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- Darwin Discovery Limited
- Grant date
- Tue May 02 2000 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Apr 27 2020 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 37
- CPC classes
- A61K, A61K9/2054, A61K9/209