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1. US20100086443 - Flow rate control

Office
United States of America
Application Number 12625194
Application Date 24.11.2009
Publication Number 20100086443
Publication Date 08.04.2010
Grant Number 08673144
Grant Date 18.03.2014
Publication Kind B2
IPC
B01D 15/08
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
15Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
08Selective adsorption, e.g. chromatography
Applicants Neyer David W.
DH Technologies Development Pte. Ltd.
Rakestraw David J.
Rehm Jason E.
Inventors Neyer David W.
Rakestraw David J.
Rehm Jason E.
Agents Fishman Bella
Title
(EN) Flow rate control
Abstract
(EN)

A liquid sample is prepared at a preparation site and then processed, e.g. in an HPLC column. The sample is prepared and conveyed to the device at a flow rate which is substantially less than the flow rate through the device. The different flow rates are preferably provided by variable rate working fluid supplies which drive the sample from the preparation site and through the device.


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