Liquid purification or separation – With means to add treating material – Chromatography
Patent
1975-12-24
1977-05-31
Adee, John
Liquid purification or separation
With means to add treating material
Chromatography
55386, B01D 1508
Patent
active
040268039
ABSTRACT:
Novel end fitting assemblies of particular advantage for use on liquid chromatographic columns, and novel chromatographic columns comprising these novel end fittings. The end-fittings are characterized by (a) very low dead space; (b) economical and convenient replacement of wearing parts; with minimal disturbing of the packed column, or other functional end-fitting components such as cones, filters, etc. A particular advantage is the design whereby the connector portions of the fitting assembly are not normally wetted by process fluids during operation of the column. Thus, the connector portions of the assemblies can be selected from a wide variety of mechanically-desirable materials selected for their wearing characteristics. Moreover, the fittings can be tightened for high-pressure operation without damage to the structure of the column of which they are used.
REFERENCES:
patent: 3334514 (1967-08-01), Catravas
patent: 3440864 (1969-04-01), Blume
patent: 3474908 (1969-10-01), Catravas
patent: 3682315 (1972-08-01), Haller
patent: 3800956 (1974-04-01), Nishizawa
patent: 3855130 (1974-12-01), Randau et al.
patent: 3978575 (1976-09-01), Beyer et al.
Abrahams Louis
Russo Manuel A.
Adee John
Cesari Robert A.
Kehoe Andrew F.
McKenna John F.
Waters & Associates
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