Purification process for anti-parasitic fermentation product
US6265571A · kind A · utility
7Cited by
15References
15Claims
0Family size
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Key dates
| Filing date | Jul 12, 1999 |
| Grant date | Jul 24, 2001 |
| Priority date | — |
| Expiry date | Jul 12, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07H17/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for purifying the bacterial fermentation product ivermectin, particularly for use as a reference standard compound in a governmental regulatory approval process. The process includes the use of reversed-phase flash column chromatography coupled with gradient elution. An exemplary eluent mixture includes acetonitrile, methanol and water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.