Stable non-dihydrate azithromycin oral suspensions
US6861413B2 · kind B2 · utility
6Cited by
13References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 15, 2003 |
| Grant date | Mar 1, 2005 |
| Priority date | — |
| Expiry date | Jul 15, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07H17/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This invention relates to a powder for oral suspension, and an oral suspension made therefrom, which comprises a n-propanol solvate of non-dihydrate azithromycin and an azithromycin conversion stabilizing excipient, wherein said excipient reduces the conversion of the form of azithromycin, when placed in suspension, to another form of azithromycin.This invention also relates to an oral suspension which comprises a n-propanol solvate of non-dihydrate azithromycin and an aqueous vehicle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.