Process for the purification of roxithromycin
US6204368A · kind A · utility
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2References
6Claims
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Assignee
Inventors
Key dates
| Filing date | Aug 11, 1999 |
| Grant date | Mar 20, 2001 |
| Priority date | — |
| Expiry date | Aug 11, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07H17/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the purification of roxithromycin, an antibiotic for therapeutic purposes, in which the purification is carried out by the dissolution or suspension of the product in methanol followed by cooling. Purification may also be obtained by addition of a non-solvent and/or by concentration of the mixture, thus obtaining a purified product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.