Liquid purification or separation – Filter – With pump – gas pressure – or suction source
Patent
1984-12-14
1987-01-27
Sadowski, David
Liquid purification or separation
Filter
With pump, gas pressure, or suction source
2104332, 210927, B01D 1300
Patent
active
046393161
ABSTRACT:
A device in the form of a sealed transparent tube comprised of glass, for example, is provided for separating the fraction containing cells and cell free fraction of a liquid, such as blood, automatically upon introduction into the device, and without the need for any separate driving force. The device separates whole non-anticoagulated blood, for example, very rapidly upon introduction into the device. The device utilizes a cross-flow filtration area together with a vacuum force applied to the device during manufacture to cause immediate and rapid separation.
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Porter, M. C. et al, "Membrane Ultrafiltration", Chem. Tech., Jan. 1971, pp. 56-63.
Becton Dickinson and Company
Grindle Robert P.
Sadowski David
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