Assignee
PENWEST PHARMACEUTICALS CO
US·7 granted patents·19 pending applications·89 citations·filing 1999–2014
Top patents by PatentIndex Score
26 records- 0185US6387394B1Controlled release insufflation carrier for medicamentsPENWEST PHARMACEUTICALS CO·Filed 1999·Granted May 14, 2002·50 cites·24 claims
- 0284US6537578B1Once-a-day controlled release sulfonylurea formulationPENWEST PHARMACEUTICALS CO·Filed 2000·Granted Mar 25, 2003·16 cites·28 claims
- 0380US6726930B1Sustained release heterodisperse hydrogel systems for insoluble drugsPENWEST PHARMACEUTICALS CO·Filed 2000·Granted Apr 27, 2004·7 cites·16 claims
- 0480US6689386B2Sustained release matrix for high-dose insoluble drugsPENWEST PHARMACEUTICALS CO·Filed 2001·Granted Feb 10, 2004·6 cites·21 claims
- 0574US6709677B2Sustained release heterodisperse hydrogel systems-amorphous drugsPENWEST PHARMACEUTICALS CO·Filed 2001·Granted Mar 23, 2004·7 cites·45 claims
- 0672US8765175B2Sustained release formulation of nalbuphinePENWEST PHARMACEUTICALS CO·Filed 2013·Granted Jul 1, 2014·1 cites·37 claims
- 0772US6875793B2Once-a-day controlled release sulfonylurea formulationPENWEST PHARMACEUTICALS CO·Filed 2003·Granted Apr 5, 2005·2 cites·41 claims
- 0865US2004241233A1Sustained release heterodisperse hydrogel systems- amorphous drugsPENWEST PHARMACEUTICALS CO·Filed 2004·Application pending·0 cites
- 0965US2006105035A1Sustained release heterodisperse hydrogel systems for insoluble drugsPENWEST PHARMACEUTICALS CO·Filed 2006·Application pending·0 cites
- 1064US2004121012A1Sustained release matrix for high-dose insoluble drugsPENWEST PHARMACEUTICALS CO·Filed 2003·Application pending·0 cites
- 1164US2004234598A1Sustained release heterodisperse hydrogel systems for insoluble drugsPENWEST PHARMACEUTICALS CO·Filed 2004·Application pending·0 cites
- 1259US2006228413A1Controlled release venlafaxine formulationsPENWEST PHARMACEUTICALS CO·Filed 2006·Application pending·0 cites
- 1359US2006193911A1Controlled release venlafaxine formulationsPENWEST PHARMACEUTICALS CO·Filed 2006·Application pending·0 cites
- 1459US2006193912A1Controlled release O-desmethylvenlafaxine formulationsPENWEST PHARMACEUTICALS CO·Filed 2006·Application pending·0 cites
- 1552US2014242166A1Sustained release matrix systems for highly soluble drugsPENWEST PHARMACEUTICALS CO·Filed 2014·Application pending·0 cites
- 1652US2007196482A1Sustained release torsemide dosage formsPENWEST PHARMACEUTICALS CO·Filed 2006·Application pending·0 cites
- 1751US2005238715A1Developing a delivery system for multi-pharmaceutical active materials at various release ratesPENWEST PHARMACEUTICALS CO·Filed 2005·Application pending·0 cites
- 1850US2007140975A1Opioid formulations having reduced potential for abusePENWEST PHARMACEUTICALS CO·Filed 2007·Application pending·0 cites
- 1946US2004170684A1Sustained release matrix systems for highly soluble drugsPENWEST PHARMACEUTICALS CO·Filed 2003·Application pending·0 cites
- 2046US2008085303A1Robust sustained release formulations of oxymorphone and methods of use thereofPENWEST PHARMACEUTICALS CO·Filed 2006·Application pending·0 cites
- 2146US2008085305A1Robust sustained release formulations of oxymorphonePENWEST PHARMACEUTICALS CO·Filed 2006·Application pending·0 cites
- 2245US2005118267A1Chronotherapeutic dosage formsPENWEST PHARMACEUTICALS CO·Filed 2004·Application pending·0 cites
- 2345US2008085304A1Robust sustained release formulationsPENWEST PHARMACEUTICALS CO·Filed 2006·Application pending·0 cites
- 2443US2005169991A1Sustained release torsemide dosage formsPENWEST PHARMACEUTICALS CO·Filed 2004·Application pending·0 cites
- 2536US2007212414A1Ethanol-resistant sustained release formulationsPENWEST PHARMACEUTICALS CO·Filed 2006·Application pending·0 cites
- 2626US2011263720A1Synthesis of alpha-tocopherolquinone derivatives, and methods of using the samePENWEST PHARMACEUTICALS CO·Filed 2011·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →