Method for the preparation of chorionic human somatomammotropin
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United States of America Patent
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-
Aug 26, 1980
Grant Date -
N/A
app pub date -
Dec 1, 1978
filing date -
Dec 27, 1977
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method is disclosed for extracting human chorionic somatomammotropin (HCS) which comprises the steps of separating from placental extract a proteinic fraction which contains such hormone, enriching the fraction so as to increase its HCS percentage contents, ultrafiltering and chromatographically analyzing until the liquor volume is gradually reduced and the components of the extract other than the expected hormone are removed.
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