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US 7,612,199 B2 |
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| Polymorphic forms α, β, and γ of rifaximin |
| Guiseppe Glaudio Viscomi, Bologna (Italy); Manuela Campana, Bologna (Italy); Dario Braga, Bologna (Italy); Donatella Confortini, Bologna (Italy); Vicenzo Cannata, Bologna (Italy); Paolo Righi, Bologna (Italy); and Goffredo Rosini, Bologna (Italy) |
| Assigned to Alfa Wassermann, S.p.A., Bologna (Italy) |
| Filed on Jun. 04, 2009, as Appl. No. 12/478,638. |
| Application 12/478638 is a continuation of application No. 12/119600, filed on May 13, 2008. |
| Application 12/119600 is a continuation in part of application No. 11/873841, filed on Oct. 17, 2007. |
| Application 11/873841 is a continuation in part of application No. 11/135651, filed on May 24, 2005, abandoned. |
| Application 11/135651 is a continuation in part of application No. PCT/EP2004/012490, filed on Nov. 04, 2004. |
| Prior Publication US 2009/0234114 A1, Sep. 17, 2009 |
| This patent is subject to a terminal disclaimer. |
| Int. Cl. C07D 498/22 (2006.01)
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