ASYMMETRIC MEMBRANE FOR MEDICINE DELIVERY DEVICE

PROBLEM TO BE SOLVED: To provide an osmotic dosage form having a membrane for medicine delivery device. SOLUTION: The osmotic pressure dosage form is provided with a nucleus containing at least one pharmaceutically active ingredient and at least one asymmetric membrane coating. The coating contains...

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Bibliographische Detailangaben
Hauptverfasser:	JOHNSON BARBARA ALICE, WATERMAN KENNETH C
Format:	Patent
Sprache:	eng
Schlagworte:	HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an osmotic dosage form having a membrane for medicine delivery device. SOLUTION: The osmotic pressure dosage form is provided with a nucleus containing at least one pharmaceutically active ingredient and at least one asymmetric membrane coating. The coating contains one or a plurality of practically water-insoluble polymers and one or a plurality of solid, water-soluble polymer materials which do not give off a substantial amount of hydrogen peroxide or formaldehyde during storage for a long time. COPYRIGHT: (C)2008,JPO&INPIT