Patent BE900817R successfully refreshed from Google Patents.
BE900817R
Expired / Lapsed
BE
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Osmotic device for controlled delivery of pharmaceuticals - comprises permeable enclosure contg. active ingredient mixed with osmo:polymer
Assignee: Alza Corp
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Filing: 1984-10-12
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Granted: 1985-02-01
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Expires: 2004-10-12
Abstract
Abstract Device consists of a wall, made at least partly of a material which is permeable to the external fluid, which defines a compartment. This contains (1) a compsn. contg. active ingredient (I) and an osmopolymer (II) and (2) a compsn. of (II) only. - The wall has an opening which establishes contact between the exterior and (1). Pref. both compsns. inside the compartment are formulated as layers and both imbibe fluids which permeate in through the walls.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
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Jurisdiction
BE
Data Source
google_patents
Last Synchronized
2026-11-08 17:17
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0002; A61K9/0004
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