C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 57/03 (2006.01) C07C 51/47 (2006.01) C07C 67/56 (2006.01) C07C 69/587 (2006.01)
Patent
CA 2311974
A process of selectively separating and purifying eicosapentaenoic and docosahexaenoic acids or the esters thereof from a mixture comprising a highly unsaturated fatty acid or the derivative thereof, which comprises the steps of: flowing an aqueous medium comprising a silver salt through a column filled with a diatomaceous earth to carry the silver salt on the diatomaceous earth; flowing a solvent solution of a mixture comprising the highly unsaturated fatty acid or the derivative thereof through the silver salt-carried diatomaceous earth in the column; and flowing a developing solvent through the column.
Fujita Shiro
Kiyohara Satoshi
Nisshin Flour Milling Co. Ltd.
Nisshin Pharma Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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