Patent application number | Description | Published |
20080262012 | PHARMACEUTICAL COMPOSITIONS COMPRISING POLYMORPHIC FORMS ALPHA, BETA, AND GAMMA OF RIFAXIMIN - Crystalline polymorphous forms of rifaximin (INN), referred to as rifaximin α and rifaximin β, and a poorly crystalline form referred to as rifaximin γ, useful in the production of medicaments containing rifaximin for oral and topical use and obtained by means of a crystallization process carried out by hot-dissolving the raw rifaximin in ethyl alcohol and by causing the crystallization of the product by addition of water at a fixed temperature and for a fixed period of time, followed by a drying under controlled conditions until reaching a precise water content in the end product, are the object of the invention. | 10-23-2008 |
20080262024 | RIFAXIMIN COMPOSITIONS AND METHOD OF USE - Forms of rifaximin (INN) antibiotic, such as the poorly crystalline form named rifaximin γ are described, along with the production of medicinal preparations containing rifaximin for oral and topical use. | 10-23-2008 |
20080262220 | POLYMORPHIC FORMS ALPHA, BETA AND GAMMA OF RIFAXIMIN - Crystalline polymorphous forms of rifaximin (INN) antibiotic named rifaximin α and rifaximin β, and a poorly crystalline form named rifaximin γ, useful in the production of medicinal preparations containing rifaximin for oral and topical use and obtained by means of a crystallization carried out by hot-dissolving the raw rifaximin in ethyl alcohol and by causing the crystallization of the product by addition of water at a determinate temperature and for a determinate period of time, followed by a drying carried out under controlled conditions until reaching a settled water content in the end product, are the object of the invention. | 10-23-2008 |
20080262232 | PROCESSES FOR THE PRODUCTION OF POLYMORPHIC FORMS OF RIFAXIMIN - Crystalline polymorphous forms of rifaximin (INN) antibiotic named rifaximin α and rifaximin β, and a poorly crystalline form named rifaximin γ, useful in the production of medicinal preparations containing rifaximin for oral and topical use and obtained by means of a crystallization carried out by hot-dissolving the raw rifaximin in ethyl alcohol and by causing the crystallization of the product by addition of water at a determinate temperature and for a determinate period of time, followed by a drying carried out under controlled conditions until reaching a settled water content in the end product, are the object of the invention. | 10-23-2008 |
20110086871 | RIFAXIMIN COMPOSITIONS AND METHOD OF USE - Forms of rifaximin (INN) antibiotic, such as the poorly crystalline form named rifaximin γ are described, along with the production of medicinal preparations containing rifaximin for oral and topical use. | 04-14-2011 |
20110152516 | PHARMACEUTICAL COMPOSITIONS COMPRISING POLYMORPHIC FORMS ALPHA, BETA, AND GAMMA OF RIFAXIMIN - Crystalline polymorphous forms of rifaximin (INN), referred to as rifaximin α and rifaximin β, and a poorly crystalline form referred to as rifaximin γ, useful in the production of medicaments containing rifaximin for oral and topical use and obtained by means of a crystallization process carried out by hot-dissolving the raw rifaximin in ethyl alcohol and by causing the crystallization of the product by addition of water at a fixed temperature and for a fixed period of time, followed by a drying under controlled conditions until reaching a precise water content in the end product, are the object of the invention. | 06-23-2011 |
20110160448 | POLYMORPHIC FORMS ALPHA, BETA AND GAMMA OF RIFAXIMIN - Crystalline polymorphous forms of rifaximin (INN) antibiotic named rifaximin α and rifaximin β, and a poorly crystalline form named rifaximin γ, useful in the production of medicinal preparations containing rifaximin for oral and topical use and obtained by means of a crystallization carried out by hot-dissolving the raw rifaximin in ethyl alcohol and by causing the crystallization of the product by addition of water at a determinate temperature and for a determinate period of time, followed by a drying carried out under controlled conditions until reaching a settled water content in the end product, are the object of the invention. | 06-30-2011 |
20110160449 | PROCESSES FOR THE PRODUCTION OF POLYMORPHIC FORMS OF RIFAXIMIN - Crystalline polymorphous forms of rifaximin (INN) antibiotic named rifaximin α and rifaximin β, and a poorly crystalline form named rifaximin γ, useful in the production of medicinal preparations containing rifaximin for oral and topical use and obtained by means of a crystallization carried out by hot-dissolving the raw rifaximin in ethyl alcohol and by causing the crystallization of the product by addition of water at a determinate temperature and for a determinate period of time, followed by a drying carried out under controlled conditions until reaching a settled water content in the end product, are the object of the invention. | 06-30-2011 |
20120035202 | RIFAXIMIN COMPOSITIONS AND METHOD OF USE - Forms of rifaximin (INN) antibiotic, such as the poorly crystalline form named rifaximin γ are described, along with the production of medicinal preparations containing rifaximin for oral and topical use. | 02-09-2012 |
20120059023 | USE OF POLYMORPHIC FORMS OF RIFAXIMIN FOR MEDICAL PREPARATIONS - The present invention relates to Rifaximin polymorphic forms α, β and γ, to their use in medicinal preparations for the oral or topical route and to therapeutic methods using them. | 03-08-2012 |
20120202989 | PHARMACEUTICAL COMPOSITIONS COMPRISING POLYMORPHIC FORMS ALPHA, BETA, AND GAMMA OF RIFAXIMIN - Crystalline polymorphous forms of rifaximin (INN), referred to as rifaximin α and rifaximin β, and a poorly crystalline form referred to as rifaximin γ, useful in the production of medicaments containing rifaximin for oral and topical use and obtained by means of a crystallization process carried out by hot-dissolving the raw rifaximin in ethyl alcohol and by causing the crystallization of the product by addition of water at a fixed temperature and for a fixed period of time, followed by a drying under controlled conditions until reaching a precise water content in the end product, are the object of the invention. | 08-09-2012 |
20120203000 | POLYMORPHIC FORMS ALPHA, BETA AND GAMMA OF RIFAXIMIN - Crystalline polymorphous forms of rifaximin (INN) antibiotic named rifaximin α and rifaximin β, and a poorly crystalline form named rifaximin γ, useful in the production of medicinal preparations containing rifaximin for oral and topical use and obtained by means of a crystallization carried out by hot-dissolving the raw rifaximin in ethyl alcohol and by causing the crystallization of the product by addition of water at a determinate temperature and for a determinate period of time, followed by a drying carried out under controlled conditions until reaching a settled water content in the end product, are the object of the invention. | 08-09-2012 |
20120214989 | PROCESSES FOR THE PRODUCTION OF POLYMORPHIC FORMS OF RIFAXIMIN - Crystalline polymorphous forms of rifaximin (INN) antibiotic named rifaximin α and rifaximin β, and a poorly crystalline form named rifaximin γ, useful in the production of medicinal preparations containing rifaximin for oral and topical use and obtained by means of a crystallization carried out by hot-dissolving the raw rifaximin in ethyl alcohol and by causing the crystallization of the product by addition of water at a determinate temperature and for a determinate period of time, followed by a drying carried out under controlled conditions until reaching a settled water content in the end product, are the object of the invention. | 08-23-2012 |
20120258166 | RIFAXIMIN COMPOSITIONS AND METHOD OF USE - Forms of rifaximin (INN) antibiotic, such as the poorly crystalline form named rifaximin γ are described, along with the production of medicinal preparations containing rifaximin for oral and topical use. | 10-11-2012 |
20130004576 | RIFAXIMIN POWDER, PROCESS FOR PREPARING THE SAME AND CONTROLLED RELEASE COMPOSITIONS CONTAINING SAID RIFAXIMIN USEFUL FOR OBTAINING A LONG-LASTING EFFECT - The present invention describes rifaximin powder and to a process for preparing the same. The invention relates also to a pharmaceutical composition in solid form comprising said rifaximin, pharmaceutically acceptable excipients and optionally other ingredients. The compositions according to the invention are suitable for oral administration and are characterized by producing a controlled release of rifaximin, whereby a long-lasting effect is obtained in a patient. | 01-03-2013 |
20130281697 | POLYMORPHIC FORMS ALPHA, BETA AND GAMMA OF RIFAXIMIN - Crystalline polymorphous forms of rifaximin (INN) antibiotic named rifaximin α and rifaximin β, and a poorly crystalline form named rifaximin γ, useful in the production of medicinal preparations containing rifaximin for oral and topical use and obtained by means of a crystallization carried out by hot-dissolving the raw rifaximin in ethyl alcohol and by causing the crystallization of the product by addition of water at a determinate temperature and for a determinate period of time, followed by a drying carried out under controlled conditions until reaching a settled water content in the end product, are the object of the invention. | 10-24-2013 |
20130289269 | PHARMACEUTICAL COMPOSITIONS COMPRISING POLYMORPHIC FORMS ALPHA, BETA, AND GAMMA OF RIFAXIMIN - Crystalline polymorphous forms of rifaximin (INN), referred to as rifaximin α and rifaximin β, and a poorly crystalline form referred to as rifaximin γ, useful in the production of medicaments containing rifaximin for oral and topical use and obtained by means of a crystallization process carried out by hot-dissolving the raw rifaximin in ethyl alcohol and by causing the crystallization of the product by addition of water at a fixed temperature and for a fixed period of time, followed by a drying under controlled conditions until reaching a precise water content in the end product, are the object of the invention. | 10-31-2013 |
20140235662 | RIFAXIMIN POWDER, PROCESS FOR PREPARING THE SAME AND CONTROLLED RELEASE COMPOSITIONS CONTAINING SAID RIFAXIMIN USEFUL FOR OBTAINING A LONG-LASTING EFFECT - The present invention describes rifaximin powder and to a process for preparing the same. The invention relates also to a pharmaceutical composition in solid form comprising said rifaximin, pharmaceutically acceptable excipients and optionally other ingredients. The compositions according to the invention are suitable for oral administration and are characterized by producing a controlled release of rifaximin, whereby a long-lasting effect is obtained in a patient. | 08-21-2014 |
20140378495 | RIFAXIMIN DERIVATIVE AND USES THEREOF - 25-desacetyl rifaximin or a pharmaceutically acceptable salt thereof is provided. Methods of treatment of bowl related disorders using isolated and/or purified 25-desacetyl rifaximin or a pharmaceutically acceptable salt thereof are also provided. | 12-25-2014 |