Use of polyols to obtain stable polymorphous forms of rifaximin

Details for Australian Patent Application No. 2007293266 (hide)

Owner Alfa Wassermann S.p.A.

Inventors Viscomi, Giuseppe Claudio; Bottoni, Giuseppe; Bachetti, Milena; Maffei, Paola

Agent Lord and Company

Pub. Number AU-B-2007293266

PCT Pub. Number WO2008/029208

Priority MI2006A001692 05.09.06 IT

Filing date 31 July 2007

Wipo publication date 13 March 2008

Acceptance publication date 10 May 2012

International Classifications

A61K 9/16 (2006.01) Medicinal preparations characterised by special physical form - Agglomerates

A61K 9/20 (2006.01) Medicinal preparations characterised by special physical form - Pills, lozenges or tablets

A61K 9/28 (2006.01) Medicinal preparations characterised by special physical form - Dragees

A61K 9/50 (2006.01) Medicinal preparations characterised by special physical form - Microcapsules

A61K 31/437 (2006.01)

A61K 47/10 (2006.01) Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives - Alcohols

A61K 47/26 (2006.01) Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives - Carbohydrates

A61K 47/36 (2006.01) Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives - Polysaccharides

A61K 47/38 (2006.01) Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives - Cellulose

Event Publications

5 March 2009 PCT application entered the National Phase

  PCT publication WO2008/029208 Priority application(s): WO2008/029208

10 May 2012 Application Accepted

  Published as AU-B-2007293266

6 September 2012 Standard Patent Sealed

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