Use of co-surfactants to adjust properties of ink-jet inks

  • US 5,626,655 A
  • Filed: 04/17/1996
  • Issued: 05/06/1997
  • Est. Priority Date: 07/11/1995
  • Status: Expired due to Term
First Claim
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1. An ink-jet ink composition comprising at least one substantially water-soluble dye and a vehicle, said vehicle including at least one first surfactant and at least one second surfactant, said at least one second surfactant having a hydrophilic-lipophilic balance that is at least about 1.5 units higher than that of said at least one first surfactant.

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