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Nanoparticle based inks and methods of making the same

  • US 20090169745A1
  • Filed: 02/27/2006
  • Published: 07/02/2009
  • Est. Priority Date: 10/02/2000
  • Status: Abandoned Application
First Claim
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1. A recording medium comprising a nanoparticle having a size of less than about 1,000 nanometers and comprising:

  • a polymeric core having a positive or a negative zeta potential;

    a first charged polymer layer disposed on the core and having a zeta potential different from the zeta potential of the core;

    at least one successive charged polymer layer disposed on the first charged polymer layer, wherein the zeta potential of the at least one successive charged polymer layer is different from that of the charged polymer layer adjacent thereto; and

    a carrier.

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