Crystallization of 25-hydroxy-7-dehydrocholesterol
US10316055B2 · kind B2 · utility
0Cited by
1References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 28, 2016 |
| Grant date | Jun 11, 2019 |
| Priority date | — |
| Expiry date | Nov 28, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2009/0086
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to a method of purification of compound of formula (I) which comprises the step of crystallization of compound of formula (I) from a composition comprising the compound of formula (I) and the compound of formula (II) and a specific solvent system containing ethanol, 1-propanol, 2-propanol, 2-methyl-1-propanol, 1-butanol or 2-butanol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.