POLYVINYL ALCOHOL PARTICLES, PHARMACEUTICAL BINDER USING SAME, PHARMACEUTICAL TABLET, SUSTAINED-RELEASE PHARMACEUTICAL TABLET, AND METHOD FOR PRODUCING POLYVINYL ALCOHOL PARTICLES

Provided herein is a polyvinyl alcohol fine particle suitable for a pharmaceutical binder for obtaining a pharmaceutical tablet of properties including good sustained release, high hardness, and excellent friability. The polyvinyl alcohol fine particle of the present invention contains 25 mol% or mo...

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Bibliographische Detailangaben
Hauptverfasser:	VAVIA, Pradeep Ratilal, JADHAV, Pankaj Hanumantrao, MONPARA, Jasmin Dhirajlal, HARA, Koji, FURO, Chizuko, KANDA, Taiji
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	Provided herein is a polyvinyl alcohol fine particle suitable for a pharmaceutical binder for obtaining a pharmaceutical tablet of properties including good sustained release, high hardness, and excellent friability. The polyvinyl alcohol fine particle of the present invention contains 25 mol% or more of a gauche structure in polyvinyl alcohol molecules within a 0.8-nm region inside the particle from the particle surface.