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Method of printing an IR-absorbing dye onto a substrate

  • US 7,825,108 B2
  • Filed: 11/03/2008
  • Issued: 11/02/2010
  • Est. Priority Date: 08/09/2004
  • Status: Expired due to Fees
First Claim
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1. A method of printing an IR-absorbing dye onto a substrate whilst minimizing visible coloration of the substrate, said method comprising:

  • (i) preselecting said dye from a metal-cyanine of formula (I);

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