Trapping assembly
US4892654A · kind A · utility
26Cited by
6References
4Claims
0Family size
Inventor
Key dates
| Filing date | Mar 15, 1989 |
| Grant date | Jan 9, 1990 |
| Priority date | — |
| Expiry date | Mar 15, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2030/085
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Disclosed is a chromatographic trapping assembly suitable for use with supercritical fluids. The apparatus includes means suitable for electronic control of the expansion of pressurized fluid through an orifice into a fluid trapping assembly using an axially movable column to regulate fluid through the orifice.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.