B - Operations – Transporting – 03 – B
Patent
B - Operations, Transporting
03
B
233/8
B03B 5/00 (2006.01) B04B 5/04 (2006.01)
Patent
CA 1150697
Title APPARATUS FOR FIELD FLOW FRACTIONATION Abstract of the Disclosure A long, thin annular belt-like channel is designed for use in sedimentation field flow fractionation. This channel, which may be contained in the rotor of a centrifuge, has a generally rectangular cross-section. It has an inlet positioned to introduce particulates (includes particles and/or macromolecules) approximately at the radial distance from the outer wall that is the equilibrium distance resulting from the average force field exerted on each particulate by the centrifugal force field and by the opposing normal diffusion forces due to Brownian motion. An outlet for the channel is similarly located. A modified design tapers the inlet and outlet.
371849
Grant John W.
Kirkland Joseph J.
Yau Wallace W.
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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