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BE900817R Expired / Lapsed BE ⏱️ 0.0 years remaining

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
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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

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Bibliographic Details

Application Number —
Jurisdiction BE
Data Source google_patents
Last Synchronized 2026-11-08 16:56
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0002; A61K9/0004

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