ASYMMETRIC MEMBRANES FOR DRUG DELIVERY DEVICES

ASYMMETRIC MEMBRANES FOR DRUG DELIVERY DEVICES

The present invention provides an osmotic dosage form comprising a core containing at least one pharmaceutically active ingredient and which also comprises at least one asymmetric membrane coating wherein said coating comprises one or more substantially water-insoluble polymers, and, one or more sol...

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Hauptverfasser: WATERMAN, KENNETH, CRAIG, JOHNSON, BARBARA, ALICE
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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creator WATERMAN, KENNETH, CRAIG
JOHNSON, BARBARA, ALICE
description The present invention provides an osmotic dosage form comprising a core containing at least one pharmaceutically active ingredient and which also comprises at least one asymmetric membrane coating wherein said coating comprises one or more substantially water-insoluble polymers, and, one or more solid, water-soluble polymeric materials that do not generate significant amounts of hydrogen peroxide or formaldehyde in long term storage.
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subjects HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
title ASYMMETRIC MEMBRANES FOR DRUG DELIVERY DEVICES
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