Column for liquid chromatography
US8632680B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 26, 2011 |
| Grant date | Jan 21, 2014 |
| Priority date | — |
| Expiry date | Jan 26, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2030/8813
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Chromatography column comprising a column tube and at least one adjustable adapter assembly with a plunger that may be positioned at a plurality of longitudinal positions in the column tube, wherein the piston is arranged at the end of a threaded piston rod arranged with the threads engaged by a rotable end cap for enabling longitudinal movement of the piston by turning the end cap, and wherein the adaptor assembly comprises rotation prevention means arranged to prevent rotation of the plunger rod in response to turning of the end cap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.