Chemical composition for ink
AssigneeAvecia Limited
InventorsMark Kenworthy, Neil Anthony Tallant, Philip Macfaul
Life of this patent
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Abstract
An ink comprising: a) an aqueous medium; b) colorant; and c) a compound of Formula (1); M[X]n (1) wherein: M is a copper, nickel, cobalt or manganese cation; X is a carboxylic acid anion comprising at least four carbon atoms; and n is from 1 to 2 inclusive.
Claims21
An ink comprising:
- a) an aqueous medium;
- b) colorant;
- and
- c) a compound of Formula (1);
- M{X}n (1)
- wherein:
- M is a copper, nickel or manganese cation;
- X is a carboxylic acid anion comprising at least four carbon atoms;
- and
- n is from 1 to 2 inclusive.
An ink comprising:
- a) an aqueous medium;
- b) colorant;
- and
- c) a compound of formula (1):
- M{X}n (1)
- wherein:
- M is copper, nickel, cobalt or manganese cation;
- X is a carboxylic acid anion comprising at least four carbon atoms;
- and
- n is from 1 to 2, inclusive, and
- d) a further organic acid.
An ink according to any one of 1 or 2 which comprises:
- (a) from 70 to 99.8 parts of an aqueous medium;
- (b) from 0.01 to 30 parts in total of colorant;
- (c) from 0.01 to 30 parts in total of the compound of Formula (1);
- and
- (d) from 0 to 30 parts in total of a further organic acid;
- wherein all parts are by weight and the number of parts of (a)+(b)+(c)+(d)=100.
A substrate coated or impregnated with a compound of Formula (1)
- M{X}n (1)
- wherein:
- M is copper, nickel or manganese cation;
- X is a carboxylic acid anion comprising at least four carbon atoms;
- and
- n is from 1 to 2, inclusive.
A process for printing an image on a substrate comprising applying thereto an ink containing a colorant by means of an ink jet printer such that the colorant, when situated on the substrate, is in contact with a compound of Formula (1)
- M{X}n (1)
- wherein:
- M is copper, nickel or manganese cation;
- X is a carboxylic acid anion comprising at least four carbon atoms;
- and
- n is from 1 to 2, inclusive.
A composition comprising:
- (a) from 0.01 to 30 parts of a compound of Formula (1)
- M{X}n (1)
- wherein:
- M is copper, nickel or manganese cation;
- X is a carboxylic acid anion comprising at least four carbon atoms;
- and
- n is from 1 to 2, inclusive;
- (b) from 0.01 to 30 parts of a binder;
- (c) from 0.01 to 99.97 parts of a water-soluble organic solvent;
- (d) from 0.01 to 99.97 parts water;
- and
- (e) from 0 to 30 parts of a further organic acid;
- wherein all parts are by weight and the total number of parts (a)+(b)+(c)+(d)+(e)=100.
A composition comprising:
- (a) from 0.01 to 30 parts of a compound of Formula (1)
- M{X}n (1)
- wherein:
- M is copper, nickel, cobalt or manganese cation;
- X is a carboxylic acid anion comprising at least four carbon atoms;
- and
- n is from 1 to 2, inclusive;
- (b) from 0.01 to 30 parts of a binder;
- (c) from 0.01 to 99.97 parts of a water-soluble organic solvent;
- (d) from 0.01 to 99.97 parts water;
- and
- (e) from 0.1 to 30 parts of a further organic acid;
- wherein all parts are by weight and the total number of parts (a)+(b)+(c)+(d)+(e)=100.
Dependencies are inferred from the claim text.