Abstract: A composition comprising: (a) a major dye component which is a mixture of phthalocyanine dyes of Formula (1) and salts thereof: wherein: Pc represents a phthalocyanine nucleus of formula; x is 0.1 to 3.8; y is 0.1 to 3.8; z is 0.1 to 3.8; the sum of x+y+z is 3 to 4; and the substituents, represented by x, y and z, are attached only to a ?-position on the phthalocyanine ring; and (b) a liquid medium. Also ink-jet inks and cartridges, printing processes, printed material and dye mixtures.

Abstract: A compound of Formula (1) and salts thereof: wherein: Q is an optionally substituted aryl ring; Y is CO2H, SO3H or PO3H2; R and X are substituents; m is 0 to 3; n is 0 to 6; and q is 0 to 6. Also compositions comprising these compounds, ink-jet inks, an ink jet process and an ink-jet cartridge.

Abstract: A process for etching a metal or alloy surface which comprises applying an etch-resist ink by ink jet printing to selected areas of the metal or alloy, solidifying the etch-resist ink without the use of actinic light and/or particle beam radiation and then removing the exposed metal or alloy by a chemical etching process wherein the etch-resist ink comprises the components: A) 60 to 100 parts carrier vehicle comprising one or more components which contain at least one metal chelating group; D) 0 to 40 parts colorant; and E) 0 to 5 parts surfactant; wherein the ink has a viscosity of not greater than 30 cPs (mPa·s) at the firing temperature, all parts are by weight and the total number of parts A)+B)+C)=100.

Abstract: An ink composition comprising: a) 5 to 30 parts ethylene glycol mono butyl ether; b) 0 to 40 parts diethylene glycol mono butyl ether and/or triethylene glycol mono butyl ether; c) 0.1 to 20 parts pigment; and d) 20 to 84.9 parts water; wherein the ink has a viscosity of less than 50 mPa·s at a temperature of 25° C., the sum of the parts of components a)+b) is no less than 15, the sum of the parts of components a) to d) equals 100 and all parts are by weight. The inks are particularly suitable for use as ink jet printing inks and have good print quality, latency and dry time characteristics.

Abstract: A process for making an electronic device comprising a dielectric substrate laminated with an electrically conductive metal or alloy which comprises applying a non-aqueous etch-resistant ink by ink jet printing to selected areas of the metal or alloy, exposing the etch-resistant ink to actinic radiation and/or particle beam radiation to effect polymerisation, removing exposed metal or alloy by a chemical etching process and then removing the polymerised etch-resistant ink by alkali wherein the etch-resistant ink is substantially solvent free and comprises the components: A) 30 to 90 parts acrylate functional monomers free from acid groups comprising mono or higher functionality wherein 5-95% by weight is one or more mono-functional monomers; B) 1 to 30 parts acrylate functional monomer containing one or more acid groups; C) 0 to 20 parts polymer or prepolymer; D) 0 to 20 parts radical initiator; E) 0 to 5 parts colorant; F) 0 to 5 parts surfactant; and wherein the ink has a viscosity of not greater than 3

Abstract: An ink-jet printing process containing the steps (a) and (b) in any order or simultaneously: (a) applying an ink by means of an ink printer to a localised region of substrate to form an image on the substrate; and (b) applying a fixing composition containing a liquid medium and a polymeric biguanide containing a repeat unit of Formula (1) or a salt thereof by means of an ink jet printer to localised region of the substrate: wherein: X and Y are the same or different and represent divalent organic linking groups; and characterised in that the localised regions referred to in steps (a) and (b) are substantially coextensive.

Abstract: A process for the preparation of a water-dissipatable polyurethane comprising preparation of a polyurethane prepolymer, reacting the polyurethane prepolymer with a mono functional end-capping agent to give a partially end capped polyurethane prepolymer and chain extending the partially end capped polyurethane prepolymer to give the water-dissipatable polyurethane. The polyurethanes are useful in ink jet printing.

Abstract: A composition comprising: (a) a major dye component which is a mixture of phthalocyanine dyes of Formula (1) and salts thereof: wherein: M is Cu or Ni; Pc represents a phthalocyanine nucleus of formula; R1 and R2 independently are H or methyl; R3 is H, methyl or optionally substituted C1-8alkylNR5R6; R4 is optionally substituted C1-8alkylNR5R6; R5 is H or optionally substituted C1-4alkyl; R6 is H or optionally substituted C1-4alkyl; x is 0 to 3.9; y is 0 to 3.9; z is 0.1 to 4.0 the sum of (x+y+z) is 4; and the substituents, represented by x, y and z are attached to a ? position on the phthalocyanine ring; and (b) a liquid medium. Also ink-jet printing processes, printed materials and ink-jet cartridges.

Abstract: A process for printing an image on a substrate comprising applying to the substrate an ink comprising a compound of Formula (1) or a salt thereof: wherein: R1 and R2 are each independently H or a substituent; each X and Y independently is a substituent; and a and b are each independently 0, 1, 2, 3 or 4. The compounds used in the process have particularly good ozone fastness and are suitable for preparing inks which can be ink jet printed.

Abstract: A composition comprising: (a) a major dye component which is a mixture of copper phthalocyanine dyes of Formula (1): CuPc?-(SO3M)x?-(SO2NH2)y??Formula (1) wherein: Pc represents a phthalocyanine nucleus of formula; M is a cation; x and y each independently have an average value of from 0.5 to 3.5; (x+y)=4; and the sulfo and sulfonamide substituents are attached to a ?-position on the phthalocyanine ring; and (b) a liquid medium which comprises water and an organic solvent or an organic solvent free from water. Also ink-jet printing processes, printed images, ink-jet printers and ink-jet cartridges.

Abstract: A toner for developing an electrostatic image comprising toner particles which include a binder resin, a wax and a colorant, wherein the wax has a melting point of between 50 and 150° C., the wax exists in the toner particles in domains of 2 ?m or less mean particle size and (a) the mean circularity of the toner particles as measured by a Flow Particle Image Analyser is at least 0.90; and (b) the shape factor, SF1, of the toner particles is at most 165. A process for the manufacture of said toner which comprises the following steps: providing a latex dispersion; providing a wax dispersion; providing a colorant dispersion; mixing the latex dispersion, wax dispersion and colorant dispersion; and causing the mixture to flocculate.

Abstract: A process for preparing a mixture of copper phthalocyanine dyes of Formula (1): CuPc(SO3M)x(SO2NH2)y, wherein: CuPc is copper phthalocyanine; M is a cation; x and y each independently have a value of from 0.5 to 3.5; and (x+y)=2 to 5; which process includes: chlorosulphonating a copper phthalocyanine compound using a chlorosulphonating agent; and condensing the product of step (i) with ammonia to give a mixture of copper phthalocyanine dyes of Formula (1); optionally exchanging the cation M in the mixture of copper phthalocyanine dyes of Formula (1) resulting from step (ii) for an alternative cation M; wherein the chlorosulphonating agent includes a mixture of chlorosulphonic acid and a chlorinating agent selected from phosphorous oxychloride and phosphorous trichloride.

Abstract: A phthalocyanine compound of Formula (I) wherein M is an oxymetal group, methods and uses involving these compounds

Abstract: A process for making an electronic device which comprises applying a non-aqueous plate-resistant ink by ink jet printing to selected areas of a dielectric substrate, optionally laminated with an electrically conductive metal(s), exposing the plate resistant ink to actinic and/or particle beam radiation to effect polymerisation, adding one or more metal layers by electrolytic or electroless deposition, the upper layer of which is an etch-resistant metal(s), removing the polymerised plate-resistant ink with alkali and finally removing the electrically conductive metal(s) which are optionally directly laminated to the dielectric substrate and not protected by an upper layer of etch-resistant metal(s) by chemical etching wherein the plate-resistant ink is substantially solvent-free and comprises: A) 30 to 90 parts acrylate functional monomers free from acid groups comprising mono- or higher functionality wherein 5 to 95% by weight are mono-functional monomers; B) 1 to 30 parts acrylate functional monomer conta

Abstract: An ink including: (a) a metal chelate compound of Formula (1) or salt thereof, wherein M is nickel; and (b) a liquid medium. The inks are useful for ink jet printers.

Abstract: A composition comprising: (a) a compound of Formula (1) wherein: R1, R2, R3 and R4 independently are substituents; m and p independently are 0 to 3; and n and q independently are 0 to 2: provided that the compound of Formula (1) comprises at least one water solubilising group; and (b) a liquid media. Also novel compounds and ink-jet printer inks, processes and cartridges.

Abstract: A metal chelate compound of Formula (1) or a salt thereof: [A-N?N—B]M??Formula (1) wherein: A is an optionally substituted pyridyl ring; and B is of the Formula (2): wherein: X and W are substituents other than H; M is a metal chelated to A-N?N—B; and n is 0 to 4, also claimed are compositions and inks containing a compound of Formula (1), a process for ink jet printing using the inks and an ink jet printer cartridge containing the ink.

Abstract: A metal chelate compound of Formula: (1) or a salt thereof: [A—N?N—B] M (1) wherein: A is a 5- or 6-membered heterocyclic ring other than a triazole ring, optionally carrying one or more substituents; B is of the Formula (2a) or (2b). Formula (2a) (2b) wherein: X, Y and W are substituents other than H; M is a metal chelated to A—N?N—B; and n is 0 to 4.

Abstract: A metal chelate of Formula (1) or salt thereof. Formula (1) wherein: R1 and R2 are each independently H or an organic group; M is a metal; p is 1 to 4; Y is an optionally substituted heterocyclic ring with a nitrogen ortho to the azo bridge; G is a substituent; and n is 0 to 5.

Abstract: An ink comprising a liquid medium and a colorant, wherein the liquid medium comprises water and a water-miscible organic solvent and the colorant is of Formula (1), wherein the colorant is dissolved in the liquid medium: Formula (1) wherein: each independently is a water-solubilising group selected from sulfo, carboxy, phosphato and poly(ethylene oxide); each Z independently is optionally substituted alkyl, optionally substituted aryl or optionally substituted aralkyl; each Q independently is a direct bond or —NR— wherein R is H, optionally substituted aryl or optionally substituted alkyl; rings A,B,C and D are each independently unsubstituted or carry a substituent selected from optionally substituted alkyl, optionally substituted aryl and optionally substituted aralkyl; each n independently is from 1 to 3; and each m independently is 0, 1 or 2; provided that when either or both of the groups represented by Q is a direct bond then at least one n has a value of at least 2.