Manage your formulary budget
Deep knowledge on
small-molecule drugs and
the 110,000 global patents
Find generic entry opportunities
Proactively manage your pharmacy inventory
Drug patents …
… from Kazakhstan to Kalamazoo
Anticipate generic drug launch
|Title:||Nitrofurantoin dosage form|
|Abstract:||The invention involves a combination sustained release/rapid release pharmaceutical capsule for oral administration of nitrofurantoin comprising, in a capsule shell, a first layer of a first particulate mixture comprising nitrofurantoin, polyvinylpyrrolidone and carboxyvinylpolymer; and a second layer of a second particulate mixture comprising macrocrystalline nitrofurantoin.|
|Inventor(s):||Patel; Vikram S. (Norwich, NY), Welles; Harry L. (Norwich, NY)|
|Assignee:||Norwich Eaton Pharmaceuticals, Inc. (Norwich, NY)|
Patent Claim Types:|
see list of patent claims
|Composition; Dosage form;|
|Country||Document Number||Estimated Expiration||Supplementary Protection Certificate||SPC Country||SPC Expiration|
| 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.