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Magnetic composites exhibiting distinct flux properties due to gradient interfaces

  • US 20020004106A1
  • Filed: 06/08/2001
  • Published: 01/10/2002
  • Est. Priority Date: 08/25/1994
  • Status: Active Grant
First Claim
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1. A separator for separating a first type of particle having a first magnetic susceptibility from a second type of particle having a second magnetic susceptibiltiy, comprising:

  • a first material having a first magnetism, said first material comprising magnetic microbeads;

    ;

    a second material having a second magnetism, said second material comprising an ion exchange polymer; and

    a plurality of boundaries between said first material and said second material, said plurality of boundaries providing a plurality of paths between a first region and a second region, each of said plurality of boundaries having a magnetic gradient within said plurality of paths;

    said magnetic gradient causing said first type of particle to pass through said second material at a greater rate than said second type of particle.

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