Distributing or collecting device

Liquid purification or separation – Processes – Chromatography

Reexamination Certificate

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Details

C210S198200, C210S289000, C210S291000, C210S456000

Reexamination Certificate

active

11275133

ABSTRACT:
The present invention relates to a fluid distributing device for distributing fluid into a column and to a fluid collecting device for collecting fluid from a column. The invention relates also to methods of using the devices of the present invention. The distributing device and/or the collecting device of the present invention can be used in fixed or fluidized bed reactors or columns, such as chromatographic separation columns, ion exchange columns, adsorption columns etc. A fluid distributing device comprisesa) a first fluid conveying system; andb) a distributing plate, which comprisesi) first means for fluid transfer for dividing the fluid flow coming from the delivering points into several partial fluid flows and for distributing the partial fluid flows into the column; andii) first means for controlling of the partial fluid flows by differential pressure in the first means for fluid transfer.

REFERENCES:
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patent: 4565216 (1986-01-01), Meier
patent: 4565219 (1986-01-01), Kunogi
patent: 4604199 (1986-08-01), Yoritomi
patent: 5141635 (1992-08-01), LePlang et al.
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patent: WO 00/50144 (2000-08-01), None
patent: WO 02/05923 (2002-01-01), None
Kochergin, et al., “Fractal Structures for Uniform Fluid Distribution in the Sugar Industry”,Zuckerindustrie126, (2001) Nr. 1, pp. 51 to 54.

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