WEST PHARMACEUTICAL SERVICES DRUG DELIVERY & CLINICAL RESEARCH CENTRE LIMITED

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2004/0248,804 Nasal administration of the LH-RH analog LeuprolideAbandonedMay 03, 04Dec 09, 04[A61K]
2004/0166,158 Conjugate of polyethylene glycol and chitosanAbandonedFeb 25, 04Aug 26, 04[A61K, C08G]
2004/0092,577 Microparticle pharmaceutical compositions for intratumoral deliveryAbandonedApr 24, 03May 13, 04[A61K]
6730735 Conjugate of polyethylene glycol and chitosanExpiredJan 24, 03May 04, 04[A61K, C08G, C08B]
6635254 Surface modification of lamellar particlesExpiredSep 06, 01Oct 21, 03[A61K]
6534065 Influenza vaccine composition with chitosan adjuvantExpiredMay 30, 00Mar 18, 03[A61K]
2002/0098,198 Oral drug delivery systemAbandonedAug 31, 01Jul 25, 02[A61K]
6387408 Adhesive drug delivery compositionExpiredApr 13, 98May 14, 02[A61K]
6383513 Compositions comprising cannabinoidsExpiredJun 16, 00May 07, 02[A61K]
2002/0044,972 Polymer compositions for polynucleotide deliveryAbandonedAug 31, 01Apr 18, 02[A61K, C08G]
6355276 Adhesive drug delivery compositionExpiredApr 28, 94Mar 12, 02[A61K]
2002/0025,337 LIPID VEHICLE DRUG DELIVERY COMPOSITION CONTAINING VITAMIN EAbandonedMar 30, 98Feb 28, 02[A61K]
2002/0015,729 COLONIC DELIVERY OF WEAK ACID DRUGSAbandonedMay 06, 99Feb 07, 02[A61K]
2001/0055,569 Nasal drug delivery compositionAbandonedApr 24, 01Dec 27, 01[A61K]
2001/0043,949 Microparticulate CompositionAbandonedFeb 23, 01Nov 22, 01[A61K]
6310089 Composition for the administration of a D1-agonistsExpiredDec 30, 99Oct 30, 01[A61K]
2001/0026,807 Colonic drug delivery compositionAbandonedDec 27, 00Oct 04, 01[A61K]
2001/0007,665 POLYSACCHARIDE MICROSPHERES FOR THE PULMONARY DELIVERY OF DRUGSAbandonedOct 30, 98Jul 12, 01[A61K]
6200602 Composition for enhanced uptake of polar drugs from the colonExpiredMar 30, 98Mar 13, 01[A61K]
6001395 Polymeric lamellar substrate particles for drug deliveryExpiredMar 30, 98Dec 14, 99[A61K]

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