Slow and controlled release coating tablet dissolution degree stability improving method

The invention provides a slow and controlled release coating tablet dissolution degree stability improving method. When the coating agent is of organic solvent, the optimal time for adding coating dry powder can be acquired by detecting the change of the emission concentration of organic solvent vap...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	QIU DONGXU, MAO HUIHUA
Format:	Patent
Sprache:	eng
Schlagworte:	BABY COMFORTERS CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICALPURPOSES DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY DEVICES FOR RECEIVING SPITTLE DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGINGPHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL ORADMINISTERING FORMS HUMAN NECESSITIES HYGIENE INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEDICAL OR VETERINARY SCIENCE PHYSICS PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES TESTING
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Beschreibung
Zusammenfassung:	The invention provides a slow and controlled release coating tablet dissolution degree stability improving method. When the coating agent is of organic solvent, the optimal time for adding coating dry powder can be acquired by detecting the change of the emission concentration of organic solvent vapor of the exhausted gas of a coating machine with the time. The method is convenient to operate, the accuracy of the result is high, the preparation quality of slow and controlled release coating tablets can be improved effectively, and the stable solution degree is provided.