Patent · US Expired

Chromatography column cartridge system

US5194225A · kind A · utility

28Cited by

7References

3Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

Werner Muller · Oberkochen, DE
Friedhelm Eisenbeiss · Griesheim, DE
Jochen Kinkel · Guldental, DE
Helmut Kohl · Marburg, DE

Key dates

Filing date	Aug 30, 1988
Grant date	Mar 16, 1993
Priority date	—
Expiry date	Aug 30, 2008

Classification

Technology area (CPC G)Physics
CPC primaryG01N2030/522
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A chromatography column cartridge system comprised of an internal pressure-stable precision glass tube which can be filled with adsorbent and an external protection and/or temperature control jacket with column connection parts which can be screwed on. The column connection parts comprise a union nut which is screwed onto the protection and/or temperature control jacket. The union nut contains a milled nut and a plunger which seals the glass tube radially. Feed and discharge lines for the mobile phase pass through the column connection parts.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.