Preparative separation of mixtures by mass spectrometry
US6750448B2 · kind B2 · utility
14Cited by
6References
28Claims
0Family size
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Key dates
| Filing date | Mar 10, 2003 |
| Grant date | Jun 15, 2004 |
| Priority date | — |
| Expiry date | Mar 10, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J49/0086
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention provides an instrument and methods for the preparative separation of components of mixtures using mass spectrometric methods. Nondestructive ionization methods are employed to generate ionized components of a mixture, the ionized components are spatially separated by mass and the mass-separated ion components are trapped. The ion source and mass spectrometric techniques employed allow the generation of large ion currents of ion components, on the order of nanoamps, which facilitate rapid accumulation of nanomole quantities of mass-separated components in relatively short times (minutes to hours).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.