Rifaximin powder, process for preparing the same an controlled release compositions containing said rifaximin useful for obtaining a long-lasting effect
US9498442B2 · kind B2 · utility
1Cited by
18References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 24, 2014 |
| Grant date | Nov 22, 2016 |
| Priority date | — |
| Expiry date | Apr 24, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D498/22
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.