New solvated crystal form of rifaximin, production, compositions and uses thereof

The invention describes a new crystalline form of rifaximin, characterized in that it is a diethylene glycol monoethyl ether solvated form of rifaximin called rifaximin τ (Tau). The invention also describes a process for the preparation of rifaximin τ, a pharmaceutical composition comprising said ri...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Viscomi, Giuseppe Claudio, Chelazzi, Laura, Maffei, Paola, Sforzini, Annalisa, Grepioni, Fabrizia
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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Beschreibung
Zusammenfassung:	The invention describes a new crystalline form of rifaximin, characterized in that it is a diethylene glycol monoethyl ether solvated form of rifaximin called rifaximin τ (Tau). The invention also describes a process for the preparation of rifaximin τ, a pharmaceutical composition comprising said rifaximin form, and its use for treating inflammations and infections.