Abstract: An assemblage for use according to thermal dye transfer methods, consisting of (i) a dye-donor element and (ii) a receiving element containing on a support a dye receiving layer comprising a homo- or copolymer of vinylchloride, said dye donor element comprising a support having thereon a dye layer comprising a binder and at least one yellow N-aryl-N-alkyl-substituted dicyanovinylaniline dye, wherein the N-aryl group either carries an electron-donative group having a negative Hammett sigma para value, or carries 2 to 5 substituents, which may be same or different and have Hammett sigma para values, the sum of which is negative.

Abstract: Dye-donor element for use according to thermal dye sublimation transfer comprising a support having thereon a dye layer containing a dye corresponding to the following formula ##STR1## wherein Z represents CN, COOR.sup.1 or CONR.sup.2 R.sup.3 ;R.sup.1, R.sup.2 and R.sup.3 each independently represent hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl, or R.sup.2 and R.sup.3 together represent the necessary atoms to close a heterocyclic nucleus or substituted heterocyclic nucleus;Y represents OR.sup.4 or NR.sup.5 R.sup.6 or CN;R.sup.4 represents hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl, SO.sub.2 R.sup.7, COR.sup.7, CSR.sup.7, POR.sup.7 R.sup.8 ;R.sup.5 and R.sup.6 each independently has one of the significances given to R.sup.4 or represent substituted or unsubstituted amino, or R.sup.5 and R.sup.

Abstract: Dye-donor element for use according to thermal dye sublimation transfer comprising a support having thereon a dye layer containing a dye corresponding to the following formula ##STR1## wherein Z represents CN, COOR.sup.1 or CONR.sup.2 R.sup.3 ;R.sup.1, R.sup.2 and R.sup.3 each independently represent hydrogen, alkyl, cycloalkyl, aryl, or R.sup.2 and R.sup.3 together represent the necessary atoms to close a heterocyclic nucleus;Y represents OR.sup.4 or NR.sup.5 R.sup.6 ;R.sup.4 represents hydrogen, alkyl, cycloalkyl, aryl, SO.sub.2 R.sup.7, COR.sup.7, CSR.sup.7, POR.sup.7 R.sup.8 ;R.sup.5 and R.sup.6 each independently has one of the significances given to R.sup.4 or represent amino, or R.sup.5 and R.sup.6 together represent the necessary atoms to close a heterocyclic nucleus, including a heterocyclic nucleus with an aliphatic or aromatic ring fused-on;R.sup.7 and R.sup.

Abstract: A donor element for use in a thermal transfer process comprising a support having on one side thereof a thermally transferable fluorescent heterocyclic compound dispersed in a polymeric binder, characterized in that said fluorescent compound corresponds to one of the following general formulae (A) and (B): ##STR1## wherein: R.sup.1 represents a hydrocarbon group or a substituted hydrocarbon group;R.sup.2 represents hydrogen, a hydrocarbon group, a substituted hydrocarbon group, a carboxylic acid group, an ester group, a nitro group, a carbamoyl group, a substituted carbamoyl group, an amino group or a substituted amino group;R.sup.3 represents hydrogen, a hydrocarbon group or a substituted hydrocarbon group, a carboxylic acid group, an ester group, a carbamoyl group or a substituted carbamoyl group;R.sup.

Abstract: This invention relates to a method of stabilizing a material for use in a thermal dye transfer imaging process, characterized in that a compound satisfying the formula A-X wherein: A stands for acyl, and X stands for the conjugated base of an acid with a pKa.ltoreq.14, is included in the dye-donor element and/or in the receiving element for use in carrying out said process.

Abstract: Dye-donor element for use according to thermal dye transfer methods comprising a support having thereon a dye/binder layer comprising a dye carried by a polymeric binder resin, said dye corresponding to the following general formula ##STR1## wherein R represents a hydrogen atom, a C.sub.1 -C.sub.8 alkyl group, a C.sub.1 -C.sub.8 alkoxy group, a C.sub.3 -C.sub.8 alkoxyalkyl group or a halogen atom;R.sup.1 and R.sup.2 (same or different) represent a C.sub.1 -C.sub.8 alkyl group, a substituted C.sub.1 -C.sub.8 alkyl group, a cycloalkyl group, a substituted cycloalkyl group, an aryl group, a substituted aryl group, or R.sup.1 and R.sup.2 together represent the atoms necessary for completing a heterocyclic nucleus or substituted heterocyclic nucleus, or R.sup.1 and/or R.sup.2 together with Y represent the atoms necessary for completing a fused-on heterocyclic nucleus or substituted fused-on heterocyclic nucleus;Y represents a hydrogen atom, a methyl group, a halogen atom, a C.sub.1 -C.sub.

Abstract: A thermal transfer printing process wherein a donor element for thermal transfer is heated imagewise in contact with a receptor element to transfer thereon a UV-absorbing compound, said donor element comprising a sheet, ribbon or web support having on one side thereof a layer incorporating in a wax or polymeric binder material an UV-absorbing benzthiazole compound corresponding to the following general formula (A): ##STR1## wherein: Z represents the atoms necessary to close an unsubstituted or substituted adjacent aromatic ring or ringsystem,R.sup.2 represents hydrogen, an alkyl group of 1 to 4 carbon atoms, or a phenyl group,each of R.sup.3 and R.sup.4 (same or different) represents hydrogen, an amino group, a substituted amino group, an alkoxy group or a substituted alkoxy group.

Abstract: Black colored dye-donor element for use according to thermal dye sublimation transfer comprising a support having thereon a dye layer containing a mixture of a magenta 4-chloro-5-formylthiazol-2-ylazoaniline dye and at least one cyan dye and at least one yellow dye.

Abstract: Dye corresponding to the following formula - ##STR1## wherein Z represents CN, COOR.sup.1 or CONR.sup.2 R.sup.3 ;R.sup.1, R.sup.2 and R.sup.3 each independently represents hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl, or R.sup.2 and R.sup.3 together represent the necessary atoms to close a heterocyclic nucleus or substituted heterocyclic nucleus;Y represents OR.sup.4 or NR.sup.5 R.sup.6 or CN;R.sup.4 represents hydrogen, substituted or unsubstituted or unsubstituted aryl, SO.sub.2 R.sup.7, COR.sup.7, CSR.sup.7, POR.sup.7 R.sup.8 ;R.sup.5 and R.sup.6 each independently has one of the significances given to R.sup.4 or represents substituted or unsubstituted amino, or R.sup.5 and R.sup.6 together represent the necessary atoms to close a heterocyclic nucleus or substituted heterocyclic nucleus, including a heterocyclic nucleus with an aliphatic or aromatic ring fused-on;R.sup.7 and R.sup.

Abstract: Thermal dye sublimation transfer printing method whereby dye is selectively transferred from a dye-donor element comprising a mono- or duplo-arylazoaniline dye to a transparent receiver sheet.

Abstract: Dye-donor element for use according to thermal dye transfer methods, said element comprising a support having thereon a dye-binder layer comprising a dye corresponding to the general formula: ##STR1## wherein A represents the atoms completing a (hetero)aromatic ring system, which may be substituted or not, Y is O, S, or NR.sup.1, X stands for N-Ar, N-Het, N-N=Het, or CR.sup.2 R.sup.3, R.sup.1 is H, (un)substituted alkyl, (un)substituted cycloalkyl, (un)substituted aryl, --SO.sub.2 R.sup.4, --COR.sup.4, --CSR.sup.4, or --POR.sup.4 R.sup.5, Ar is an aromatic nucleus, which is substituted in para-position with amino, alkyloxy, aryloxy, alkylthio, arylthio, which groups may be substituted, or with hydroxy and mercapto, and which aromatic nucleus may also be substituted in other positions with alkyl, aryl, or an acylamido group, Het represents a substituted or unsubstituted heterocyclic ring, R.sup.2 and R.sup.

Abstract: Dye-donor element for use according to thermal dye sublimation transfer comprising a support having thereon a dye layer containing a duplo-arylazoaniline dye incorporating two or more arylazoaniline chromophore units which are linked to each other by means of chemical bonds or linking groups.

Abstract: Cyan 2-carbazoyl-4-[N-(p-substituted aminoaryl)imino]-1,4-quinone or 2-hydroxaminocarbonyl-4-[N-(p-substituted aminoaryl)imino]-1,4-quinone dyes for use according to thermal dye sublimation transfer.

Abstract: Dye-donor element for use according to thermal dye sublimation transfer comprising a support having thereon a dye layer containing a yellow arylazoaniline dye comprising a hydroxy or amino substituent on the aniline nucleus in ortho position with respect to the azo link.

Abstract: A ballasted non-diffusing compound that is capable of releasing a diffusible particularly light-fast azo dye from a carrier moiety, characterized in that said compound corresponds to the following general formula:CAR--L--G--Dwherein:CAR represents a ballasted carrier moiety making said compound non-diffusing in a hydrophilic colloid medium under wet alkaline conditions,L represents a chemical group cleavable or releasable from the carrier moiety as a function of a redox-reaction or argentolytic reaction taking place in the development of a silver halide emulsion layer under alkaline conditions;G represents a bivalent organic group containing at least one aromatic nucleus being substituted with a R.sup.5 R.sup.6 NSO.sub.2 NH-group, wherein R.sup.5 and R.sup.6 (same or different) represent hydrogen, an alkyl group including a substituted alkyl group or an aryl group including a substituted aryl group, andD is an azo dye part chemically linked to an aromatic nucleus of G.

Abstract: Dye-doner element for use according to thermal dye sublimation transfer comprising a support having thereon a dye layer containing a dye corresponding to the following formula ##STR1## wherein Z represents CN, COOR.sup.1 or CONR.sup.2 R.sup.3 ;R.sup.1, R.sup.2 and R.sup.3 each independently represent hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl, or R.sup.2 and R.sup.3 together represent the necessary atoms to close a heterocyclic nucleus or substituted heterocyclic nucleus;Y represents OR.sup.4 or NR.sup.5 R.sup.6 or CN;R.sup.4 represents hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl, SO.sub.2 R.sup.7, COR.sup.7, CSR.sup.7, POR.sup.7 R.sup.8 ;R.sup.5 and R.sup.6 each independently has one of the significances given to R.sup.4 or represent substituted or unsubstituted amino, or R.sup.5 and R.sup.

Abstract: Dye-donor element for use according to thermal dye transfer methods, said element comprising a support having thereon a dye/binder layer comprising a 1,4-quinonediimine cyan dye, which may carry a fused on aromatic, alicyclic, or heterocyclic ring system, wherein the hydrogen atom of the 1-imino function is substituted by a carboxylic acyl group, a substituted carboxylic acid group, an alkyl ester group, a substituted alkyl ester group, an aryl ester group, a substituted aryl ester group, a carbamoyl group, a substituted carbamoyl group, a substituted phosphono group, a substituted phosphinyl group, a substituted sulphonyl group, a sulpho group, a substituted sulpho group, a sulphamoyl group, or a substituted sulphamoyl group, the hydrogen atom of the 4-imino function being substituted by a p-aminoaryl group or a substituted p-aminoaryl group.

Abstract: Particulate toner material for use in the development of latent electrostatic images, wherein said particulate toner material is capable of acquiring by triboelectric contact electrification when in admixture with carrier particles a net positive charge and contains at least one thermoplastic resin as binder in combination with a colorant and a colorless compound capable of imparting a positive charge to the particulate toner material when in frictional contact with said carrier particles, characterized in that said colorless compound contains in it molecular structure at least one polyalkyl substituted piperidine group and a sterically hindered phenol group.

Abstract: Particulate toner material for use in the development of latent electrostatic images, wherein said particulate toner material is capable of acquiring by triboelectric contact electrification a net positive charge and contains thermoplastic resin(s) as binder in combination with a colorant and a colorless compound capable of imparting a positive charge to the particulate toner material in contact electrification, wherein said colorless compound contains at least one piperidine nucleus substituted with an --NH-acyl group, N-substituted ureido or N-substituted thioureido group.

Abstract: Dye-donor element for use according to thermal dye transfer methods, said element comprising a support having thereon a dye/binder layer comprising a 2-N-alkyl-substituted carbamoyl-4-[N-(p-substituted aminoaryl)-imino]-1,4-naphthoquinone cyan dye carried by a polymeric binder resin, said dye being a 2-N-alkyl-substituted carbamoyl-4-[N-(p-substituted aminoaryl)-imino]-1,4-naphthoquinone cyan dye, the N-alkyl group of which is methyl that is substituted with a branched-chain non-cyclic C.sub.3 -C.sub.18 alkyl group or the N-alkyl group of which is a C.sub.2 -C.sub.4 straight chain alkyl group that on its omega-carbon atom is substituted with a branched chain C.sub.3 -C.sub.18 alkyl group, an aryl group, or a cycloalkyl group.