摘要 |
<p>A process for forming an image on a substrate comprising applying a composition comprising: (a) a compound of Formula (1) and salts thereof, wherein: M is Cu or Ni; Pc represents a phthalocyanine nucleus of Formula (2); R<SUP>1</SUP>, R<SUP>2 </SUP>and R<SUP>3 </SUP>independently are H or optionally substituted C<SUB>1-4</SUB>alkyl; R<SUP>4 </SUP>is optionally substituted C<SUB>1-4</SUB>-hydroxyalkyl; x is greater than 0 and less than 1.8; y and z are both greater than 0; and the sum of (x+y+z) is 2.4 to 4.5: and (b) a liquid medium: thereto by means of an ink jet printer. Also compositions, inks, compounds and ink jet printer cartridges</p> |