Methods for the isolation, recovery and purification of non-polar compounds using novel hydrophobically-modified polysaccharide gels
US6989098B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 10, 2003 |
| Grant date | Jan 24, 2006 |
| Priority date | — |
| Expiry date | Jul 26, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2220/54
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process is described for the preparation f electrostatically-linked, aliphatic- or alicyclic-substituted anionic or cationic polysaccharide gels from readily available macroporous ionic polysaccharide chromatographic media, such as diethylaminoethyl (DEAE), quaternary aminoethyl (QAE) and sulfopropyl (SP) substituted polysaccharide gels. These novel gels are used for the isolation, recovery and purification of non-polar extractives using one or more extracting solvents from the group of lower alcohols, ketones, and water. The non-polar extractives may be alk(n)lyresorcinols, steroid, triterpenoid, cardiac glycosides and saponins, steryl ferulates and other phenolic acid conjugates, flavonoids, lipids, alcohol-soluble antimicrobials, prolamines or other alcohol-soluble proteolipid complexes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.