Ink-jet ink comprising a glycol compound with grafts

  • US 6,783,581 B2
  • Filed: 10/29/2002
  • Issued: 08/31/2004
  • Est. Priority Date: 10/30/2001
  • Status: Active Grant
First Claim
Patent Images

1. An ink-jet ink composition, comprising:

  • at least one colorant, wherein the colorant is a dispersing pigment;

    a medium comprising an aqueous solution; and

    at least one water-soluble glycol compound with grafts selected from the group consisting of 2,4-diethyl-1,5-pentanediol, 2-butyl-2-ethyl-1,3-propanediol, 2,2-dimethylpropane-1,3-diol and 2,5-dimethylhexane-2,5-diol.

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