CA2311974A1 — Processes of selectively separating and purifying eicosapentaenoic and docosahexaenoic acids or their esters
Assigned to Nisshin Pharma Inc · Expires 2000-12-28 · 25y expired
What this patent protects
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…
USPTO Abstract
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.
Drugs covered by this patent
- Vascepa (ICOSAPENT ETHYL) · Amarin Pharms
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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