Phthalocyanine compounds and ink compositions comprising the same
AssigneeAvecia Limited
InventorsPrakash Patel, Tina Margaret Horrobin
Life of this patent
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Abstract
A process for coloration of a substrate comprising applying thereto by means of an ink-jet printer an ink composition comprising a compound of Formula (1) or salt thereof: wherein: M is 2H, Si, a metal, an oxymetal group, a hydroxymetal group or a halometal group; Pc is a phthalocyanine nucleus of Formula (2); each R1 and R2 independetly are H, C1-4alkyl or C1-4hydroxyalkyl; R3 is phenyl carrying 1 or 2 sulpho substituents or phenyl carrying at least 1 carboxy or 1 phosphato substituent and having further optional substituents; x, y and z are all greater than 0 and the sum of (x+y+z) is 2 to 5. Also novel compounds, compositions, printed substrates and ink-jet printer cartridges
Claims11
A process for coloration of a substrate comprising applying thereto by means of an ink-jet printer an ink composition comprising a compound of Formula (1) or salt thereof:
- wherein:
- M is 2H, Si, a metal, an oxymetal group, a hydroxymetal group or a halometal group;
- Pc is a phthalocyanine nucleus of Formula (2);
- each R1 and R2 independently are H, C1-4alkyl or C1-4hydroxyalkyl;
- R3 is phenyl carrying 1 or 2 sulpho substituents or phenyl carrying at least 1 carboxy or 1 phosphate substituent and having further optional substituents;
- x, y and z are all greater than 0 and the sum of (x+y+z) is 2 to 5.
A compound of Formula (1) or salt thereof
- wherein:
- M is 2H, Si, a metal, an oxymetal group, a hydroxymetal group or a halometal group;
- Pc is a phthalocyanine nucleus of Formula (2);
- each R1 and R2 independently are H, C1-4alkyl or C1-4hydroxyalkyl;
- R3 is phenyl carrying 1 or 2 sulpho substituents or phenyl carrying at least 1 carboxy or 1 phosphate substituent and having further optional substituents;
- x, y and z are all greater than 0 and the sum of (x+y+z) is 2 to 5, with the proviso that R3 is not of Formula (3), Formula (4) or (5) or a salt thereof:
Dependencies are inferred from the claim text.