Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alza Corp
Original Assignee
Alza Corporation
Liang C. Dong
Patrick S. L. Wong
Si-Hong A. Yum
Lawrence G. Hamel
Michael H. Dealey
Crystal Pollock
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alza Corporation, Liang C. Dong, Patrick S. L. Wong, Si-Hong A. Yum, Lawrence G. Hamel, Michael H. Dealey, Crystal PollockfiledCriticalAlza Corporation
Priority claimed from PCT/US1996/007933external-prioritypatent/WO1996038130A1/fr
Publication of CA2220301A1publicationCriticalpatent/CA2220301A1/fr
Application grantedgrantedCritical
Publication of CA2220301CpublicationCriticalpatent/CA2220301C/fr
CA002220301A1995-06-021996-05-29Dispositif osmotique avec activation retardee de l'apport d'un medicament et liberation complete du medicament
Expired - Fee RelatedCA2220301C
(fr)
Dispositif d'administration de medicament permettant a la fois une liberation controlee a long terme de la substance medicamenteuse et l'administration d'une dose de mise en charge
Dosage form for delayed release comprising pharmaceutically active substance and a drug-release hindering means and a second composition which imbibes fluid, expands, and ejects the active substance from the device