Polymeric charge adjuvants in electrostatic inks

  • US 7,951,520 B2
  • Filed: 01/09/2007
  • Issued: 05/31/2011
  • Est. Priority Date: 01/09/2007
  • Status: Active Grant
First Claim
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1. A method of making an ink toner, comprising:

  • grinding a carrier liquid, a resin, and a pigment, to form a slurry; and

    mixing a charge adjuvant and a charge director with the ink slurry after grinding, wherein the charge adjuvant is a polymeric organometallic compound, and wherein the ink toner does not include aluminum stearate.

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