Method of preparing form II crystals of clarithromycin
US6506886B1 · kind B1 · utility
19Cited by
1References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 7, 2001 |
| Grant date | Jan 14, 2003 |
| Priority date | — |
| Expiry date | Mar 7, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07H17/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Form II crystals of clarithromycin can be easily prepared by treating clarithromycin of different crystal forms with water or with a mixture of water and a water-immiscible organic solvent and isolating treated crystals by filtration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.