Method of preparing a composition using argentation chromatography
US7667061B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2006 |
| Grant date | Feb 23, 2010 |
| Priority date | — |
| Expiry date | Dec 27, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N30/462
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention is directed to a method of preparing compositions enriched in compounds containing carbon chains of varying degrees of unsaturation using argentation chromatography. The present method utilizes an argentized cationic resin or a conditioned argentized alumina to separate compounds containing saturated or mono-unsaturated carbon chains from compounds having polyunsaturated carbon chains present in a starting composition. The invention is particularly useful for preparing a composition enriched in polyunsaturated fatty acid alkyl esters from mixtures of fatty acid esters in a starting composition derived from vegetable oils. The present invention is also directed to a method of preparing a conditioned argentized alumina adsorbent having increased selectivity for compounds containing one or more polyunsaturated carbon chains.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.