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Incision-based filtration/separation pipette tip

  • US 7,276,158 B1
  • Filed: 06/09/2000
  • Issued: 10/02/2007
  • Est. Priority Date: 06/09/2000
  • Status: Expired due to Fees
First Claim
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1. A pipette tip for sample preparation, which contains chromatography particles and has an open upper end and a closed lower end and has one or more slits at said lower end to permit the passage of fluids through said slits while retaining said chromatographic particles in said pipette tip, said slits having a length to width ratio of 200:

  • 1 to 400;

    1, a ratio of chromatographic particle diameter to slit width ratio 4;

    1–

    6;

    1, and a ratio of chromatographic particle diameter to slit length 1;

    33.33 to 1;

    100.

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