Anticipate generic drug launch
Proactively manage your pharmacy inventory
Deep knowledge on
small-molecule drugs and
the 110,000 global patents
Drug patents …
… from Kazakhstan to Kalamazoo
Find generic entry opportunities
Manage your formulary budget
|Title:||Osmotic device with hydrogel driving member|
|Abstract:||An osmotic device is disclosed comprising a semipermeable wall surrounding a compartment housing an agent that is insoluble to very soluble in aqueous and biological fluids, and a layer of a fluid swellable, hydrogel. A passageway in the wall connects the agent with the exterior of the device.|
|Inventor(s):||Cortese; Richard (San Jose, CA), Theeuwes; Felix (Los Altos, CA)|
|Assignee:||ALZA Corporation (Palo Alto, CA)|
Patent Claim Types:|
see list of patent claims
|Delivery; Device; Formulation;|
|Country||Document Number||Estimated Expiration||Supplementary Protection Certificate||SPC Country||SPC Expiration|
|European Patent Office||0052917||► subscribe|
| This preview shows a limited data set|
Subscribe for full access, or try a Trial
The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.
Export unavailable in trial.
Subscribe for complete access.