Abstract: Azo dyes suitable for thermal transfer printing have the formula ##STR1## in which the substituents have the following meanings: R.sup.1 is H, amino, hydroxyl or C.sub.1 -C.sub.3 -alkyl, R.sup.2 is H, acetyl, carbamoyl or cyano, R.sup.3 is .omega.-phenoxy-, .omega.-tolyloxy-, .omega.-benzyloxy- or .omega.-cyclohexyloxy-C.sub.1 -C.sub.12 -alkyl whose carbon chain may be interrupted by one or two of the following nonadjacent members --O--, --CO--, --O--CO-- or --CO--O-- and which may carry one or two of the following substituents: halogen, hydroxyl, C.sub.1 -C.sub.2 -alkyl, phenyl or cyclohexyl; R.sup.4 and R.sup.5 are each H, halogen, cyano, nitro, trihalomethyl, or a radical of the formula --CO--H, --CO--R.sup.6, --O--CO--R.sup.6, --CO--OR.sup.6, --SO--OR.sup.6, --O--SO--OR.sup.6, --CO--NR.sup.7 R.sup.8, --O--CO--NR.sup.7 R.sup.8, --SO.sub.2 --NR.sup.7 R.sup.8 or --O--SO.sub.2 --NR.sup.7 R.sup.8 where R.sup.6 is C.sub.1 -C.sub.12 -alkyl or .omega.-phenoxy-, .omega.-tolyloxy-, .omega.-benzyloxy- or .omega.

Abstract: Azo dyes useful for thermotransfer printing have the formula ##STR1## where the substituents have the following meanings: X is a radical of the formula IIa or IIb ##STR2## R.sup.1 is H, C.sub.1 -C.sub.6 -alkyl or phenyl which may be substituted by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.2 -alkoxy, chlorine, bromine or cyano,R.sup.2 is H, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, chlorine or bromine, n is 1 or 2, K is a radical of a coupling component IIH--K IIIof the aniline, aminonaphthaline, pyrazole, diaminopyridine, hydroxypyridone or tetrahydroquinoline series.

Abstract: Dyes are transferred from a carrier by sublimation/vaporization to plastic-coated papers by a process in which the dyes used are of the general formula (I) ##STR1## where A is D--N=N-- or ##STR2## R.sup.1 and R.sup.2 are each hydrogen, alkyl, alkoxy, alkylthio or halogen and R.sup.1 and R together may furthermore form a 5-membered or 6-membered heterocyclic ring, and R and R' independently of one another are each hydrogen, phenyl which is unsubstituted or substituted by methyl or methoxy, or C.sub.5 - or C.sub.6 -cycloalkyl or C.sub.1 -C.sub.6 -alkyl which is unsubstituted or substituted by C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkoxycarbonyl, C.sub.2 -C.sub.5 -alkanoyloxy, C.sub.1 -C.sub.4 -alkoxycarbonyloxy, C.sub.1 -C.sub.4 -alkoxy-C.sub.2 - or C.sub.3 -alkoxycarbonyloxy, hydroxyl, cyano, halogen, phenyl or C.sub.5 - or C.sub.

Abstract: Azo dyes useful for thermotransfer printing have the formula ##STR1##

Abstract: Anthraquinone dyes I useful for thermal transfer printing have the formula ##STR1##

Abstract: Phenoneazo dyes of the formula ##STR1## where R.sup.1 is substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl or substituted phenyl,R.sup.2 is cyano, carbamoyl or acetyl,R.sup.3 is substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl or C.sub.3 -C.sub.12 -alkyl which is interrupted by from 1 to 3 oxygen atoms and may be substituted, andR.sup.4 is hydrogen or C.sub.1 -C.sub.4 -alkyl,are useful for thermal transfer processes and for dyeing or printing synthetic fabrics.

Abstract: Triazolopyridine dyes useful for thermal transfer of methine dyes have the formula ##STR1## where R.sup.1 is C.sub.1 -C.sub.20 -alkyl, which may be substituted and interrupted by one or more oxygen atoms, or is substituted or unsubstituted phenyl or hydroxyl,R.sup.2 is a 5- or 6-membered carbocyclic or heterocyclic ring which may be substituted and benzofused,R.sup.3 is cyano, carbamoyl, carboxyl or C.sub.1 -C.sub.4 -alkoxycarbonyl,R.sup.4 is oxygen or a radical of the formula ##STR2## where L.sup.1 is in each case C.sub.1 -C.sub.8 -alkyl which may be interrupted by 1 or 2 oxygen atoms, andX is CH or nitrogen.

Abstract: One or more azo dyes are transferred from a transfer to a sheet of plastic-coated paper by diffusion with the aid of an energy source, said azo dyes having the formula ##STR1## where X is nitrogen or the radical C--CN,Z is oxygen or the radical --CH(R.sup.7)--, where R.sup.7 is hydrogen or C.sub.1 -C.sub.4 -alkyl,R.sup.1 is hydrogen, substituted or unsubstituted alkyl or phenyl,R.sup.2 and R.sup.3 are hydrogen or C.sub.1 -C.sub.4 -alkyl,R.sup.4 is hydrogen, C.sub.1 -C.sub.10 -alkyl, C.sub.1 -C.sub.10 -alkoxy or acylamino,R.sup.5 is hydrogen, chlorine, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylthio or unsubstituted or substituted phenyl, andR.sup.6 is cyano or the radical --CO--OR.sup.1, --CO--NHR.sup.1 or --CO--N(R.sup.1).sub.2, in each of which R.sup.1 is as defined above.

Abstract: Bichromophoric methine transfer dyes of the formula ##STR1## where L is a bridge member which does not permit any conjugation of .pi.-electrons between Z and Y,X is cyano, C.sub.1 -C.sub.6 -alkoxycarbonyl or C.sub.1 -C.sub.6 -monoalkylcarbamoyl, wherein alkyl may in each case be interrupted by oxygen atoms, or is C.sub.5 -C.sub.7 -cycloalkoxycarbonyl, C.sub.5 -C.sub.7 -monocycloalkylcarbamoyl, phenoxycarbonyl or monophenylcarbamoyl,Y and Z are each independently of the other aminophenylene, which may be benzo-fused, or heterocyclyl,are transferable from a transfer to a sheet of plastic-coated paper with the aid of an energy source.

Abstract: Bichromophoric methine and azamethine transfer dyes have the formulaZ.sup.2 --Z.sup.1 --LY.sup.1 --Y.sup.2whereL is a bridge member which does not permit any conjugation of .pi.-electrons between Z.sup.1 and Y.sup.1,Y.sup.1 and Z.sup.1 are each independently of the other aminophenylene, which may be benzofused, or heterocyclyl andY.sup.2 and Z.sup.2 are each independently of the other benzoquinoeiminyl, which may be benzofused, or heterocyclyl.

Abstract: Useful thermal transfer dyes are thiazole dyes having the formula ##STR1## where R.sup.1 and R.sup.2 are each, independently of the other, hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted phenyl or cyclohexyl or together with the linking nitrogen atom a heterocyclic radical,R.sup.3 is hydrogen, halogen, alkyl, substituted or unsubstituted phenyl, benzyl, cyclohexyl, hydroxyl, furyl or thienyl, andA is a cyclohexadienone radical which may be substituted and/or benzofused.

Abstract: Azo dyes useful for thermotransfer printing have the formula ##STR1## where R.sup.1 and R.sup.2 are each H; alkyl, alkoxyalkyl, alkanoyloxyalkyl, alkoxycarbonyloxyalkyl, alkoxycarbonylalkyl, haloalkyl, hydroxyalkyl or cyanoalkyl each of up to 20 carbon atoms and each of which may be substituted by phenyl, C.sub.1 -C.sub.4 -alkylphenyl, C.sub.1 -C.sub.4 -alkoxyphenyl, halophenyl, benzyloxy, C.sub.1 -C.sub.4 -alkylbenzyloxy, C.sub.1 -C.sub.4 -alkoxybenzyloxy, halobenzyloxy, halogen, hydroxyl or cyano; phenyl or cyclohexyl which may each be substituted by C.sub.1 -C.sub.15 -alkyl, C.sub.1 -C.sub.15 -alkoxy, halogen or benzyloxy; or a radical II[--W--O].sub.n --R.sup.4 IIwhere W is identical or different C.sub.2 -C.sub.5 -alkylene, n is 1-6, R.sup.4 is C.sub.1 -C.sub.4 -alkyl or phenyl which may be substituted by C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy, R.sup.3 is H, NH.sub.2, OH or C.sub.1 -C.sub.3 -alkyl, X is H, Cl, Br, No.sub.2, methyl, phenoxy, tolyloxy, dimethylphenyloxy, chlorophenoxy or C.sub.

Abstract: Azo dyes are transferred from a substrate to a plastic-coated paper by diffusion with the aid of a thermal printing head, these azo dyes having the formula ##STR1## where R.sup.1 and R.sup.2 are each independently of the other hydrogen, substituted or unsubstituted alkyl or substituted or unsubstituted phenyl,R.sup.3 is hydrogen, alkyl, alkoxy or substituted or unsubstituted alkanoyl- or benzoyl-amino,R.sup.4 is hydrogen, chlorine, alkyl, alkoxy, alkylthio or substituted or unsubstituted phenyl andR.sup.5 is cyano, substituted or unsubstituted alkoxy- or phenoxy-carbonyl or substituted or unsubstituted mono- or di-alkyl- or -phenyl-carbamoyl.

Abstract: Dyes are transferred from a carrier by sublimation/vaporization to plastic-coated papers by a process in which the dyes used are of the general formula (I) ##STR1## where A is D--N.dbd.N-- or ##STR2## R.sup.1 and R.sup.2 are each hydrogen, alkyl, alkoxy, alkylthio or halogen and R.sup.1 and R together may furthermore form a 5-membered or 6-membered heterocyclic ring, and R and R' independently of one another are each hydrogen, phenyl which is unsubstituted or substituted by methyl or methoxy, or C.sub.5 - or C.sub.6 -cycloalkyl or C.sub.1 -C.sub.6 -alkyl which is unsubstituted or substituted by C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkoxycarbonyl, C.sub.2 -C.sub.5 -alkanoyloxy, C.sub.1 -C.sub.4 -alkoxycarbonyloxy, C.sub.1 -C.sub.4 -alkoxy-C.sub.2 -or C.sub.3 -alkoxycarbonyloxy, hydroxyl, cyano, halogen, phenyl or C.sub.5 - or C.sub.

Abstract: Heat transferable dyes which compared with the prior art show better solubility and/or higher light fastness and good to excellent transfer properties have the formula (I) ##STR1## where X is H or CN, R.sup.1, R.sup.2, and R.sup.3 independently of one another are alkyl, alkylcarbonyloxyalkyl, alkoxycarbonyloxyalkyl, alkoxycarbonylalkyl, haloalkyl, hydroxyalkyl, cyanoalkyl, unsubstituted or alkyl-or alkoxy-substituted phenyl or benzyl or a radical of the formula--Y--O].sub.m R.sup.4 (II)where Y is C.sub.2 -C.sub.6 -alkylene, m is 1 to 6 and R.sup.4 is alkyl or phenyl, with the proviso that if X is H then R.sup.1 and R.sup.3 are each substituted or unsubstituted alkyl or substituted or unsubstituted phenyl or if X is H and R.sup.1 is H, then R.sup.3 must be substituted or unsubstituted phenyl.

Abstract: Azo dyes are transferred from a substrate to a plastic-coated paper by diffusion with the aid of a thermal printing head, these azo dyes having the formula ##STR1## where D is the radical of a diazo component andR.sup.1, R.sup.2 and R.sup.3 are each independently of the others hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted phenyl or substituted or unsubstituted cyclohexyl andR.sup.4 is alkyl.

Abstract: Dyes are transferred from a substrate to an acceptor by sublimation or vaporization of the dye by means of a thermal printing head by using a substrate on which there is situated cationic dyes having a cyanine chromophore and one or more N-H groups which are part of the cyanine chromophore, in their electrically neutral form as the result of deprotonation at the N-H group and transferring these deprotonated dyes to a coated paper.

Abstract: Dyes are transferred from a substrate to a plastics-coated paper by sublimation or vaporization using a thermal printing head by using a substrate of which there are dyes of the formula ##STR1## where R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 each have defined meanings.