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Monoazo dyes useful in ink compositions for printing on substrates by ink-jet printing

  • US 5,755,862 A
  • Filed: 04/02/1997
  • Issued: 05/26/1998
  • Est. Priority Date: 04/25/1996
  • Status: Expired due to Fees
First Claim
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1. An ink composition comprising(i) a medium comprising a mixture of water and one or more water-soluble organic solvent(s), an organic solvent, or a low melting point solid;

  • and(ii) a dye of Formula (1) or salt thereof;

    ##STR10## wherein each X1 independently is a labile or non-labile substituent;

    each T independently is --O--, --S-- or --NR1 --;

    each L1 independently is a divalent organic linker group;

    each V1 independently is a group which is capable of undergoing an addition reaction or an elimination and addition reaction;

    each R1 independently is H or optionally substituted alkyl;

    Z is the residue of a coupling component; and

    m and n are each independently 0 or 1.

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