Single column closed-loop recycling with periodic intra-profile injection
US6063284A · kind A · utility
34Cited by
36References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 15, 1997 |
| Grant date | May 16, 2000 |
| Priority date | — |
| Expiry date | May 15, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N30/44
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A preparative chromatographic cyclical process utilizing a single column comprising, at steady state: (a) establishing and maintaining a circulating chromatographic profile through said column and through one solvent pump; (b) discontinuously and periodically injecting a sample comprising at least two components, into the interior of said maintained circulating profile; and (c) collecting, discontinuously and periodically, at least two enriched fractions from said circulating profile.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.