发明名称 |
Process for separating 3-hydroxy steroids or sterols from mixtures such as lipids |
摘要 |
A process for separating 3-hydroxy steroids from sterol concentrate mixtures by combining a solution of the sterol-containing mixture in a cosolvent of a dialkyl ketone and a low molecular weight alcohol with a slurry or solution of calcium bromide. The complexed sterols are isolated by filtration and the sterols can be subsequently liberated from the complex by treatment with an aqueous/alcohol and isolated by filtration and drying. The complexed sterols are of large particle size which allows rapid filtration.
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申请公布号 |
US4425275(A) |
申请公布日期 |
1984.01.10 |
申请号 |
US19820397313 |
申请日期 |
1982.07.12 |
申请人 |
EASTMAN KODAK COMPANY |
发明人 |
CRAWFORD, RICHARD R.;BLUM, WILLIAM P.;NARAMORE, DAVID C. |
分类号 |
C07J9/00;(IPC1-7):C07J9/00 |
主分类号 |
C07J9/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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