Abstract: Cyan thermal transfer dye mixtures comprise at least one anthraquinone dye whose absorption maximum is at a wavelength of from 600 to 750 nm and also at least one triazolopyridine, pyridone, 1-amidopyrid-2,6-dione, heterocyclic pyridone and/or halogenated quinolone dye.

Abstract: Polyesters containing nonlinear-optical chromophores, which have mean molecular weights M.sub.w of from 5000 to 500,000 and contain units of the formula (I) ##STR1## where A is a divalent radical,D is an electron donor,G is a heterocyclic ring as electron acceptor,x and y are identical or different numbers,m and n are identical or different numbers, andR.sup.1 and R.sup.2 are identical or different radicals, are suitable, for example, as components in communications technology.

Abstract: Thermal transfer dye mixtures comprise at least one azo dye with a coupling component of the diaminopyridine series and at least one triazolopyridine, pyridone and/or 1-aminopyrid-2,6-dione dye.

Abstract: Methine transfer dyes have 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, andY and Z are each independently of the other aminophenylene, which may be benzo-fused, or heterocyclyl.

Abstract: There are described the use of pyridine dyes of the formula ##STR1## where R.sup.1 is substituted or unsubstituted C.sub.1 -C.sub.20 -alkyl, substituted or unsubstituted phenyl or hydroxyl,R.sup.2 is a carbocyclic or heterocyclic radical,R.sup.3 is cyano, carbamoyl, carboxyl or C.sub.1 -C.sub.4 -alkoxy carbonyl,R.sup.4 is oxygen or the radical of an acidic CH compound,R.sup.5 is hydrogen or C.sub.1 -C.sub.4 -alkyl,R.sup.6 is substituted or unsubstituted C.sub.1 -C.sub.20 -alkyl, substituted or unsubstituted phenyl, hydroxyl or substituted or unsubstituted amino, andX is nitrogen or optionally CH,for dyeing or printing synthetic fibers, cellulose esters or blends thereof, dye mixtures comprising pyridine dyes of the above formulae and blue disperse dyes, the use thereof for dyeing and printing synthetic fibers, cellulose esters or blends thereof, and triazolopyridine dyes having a thienyl radical.

Abstract: Methine transfer dyes have 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, andY and Z are each independently of the other aminophenylene, which may be benzo-fused, or heterocyclyl.

Abstract: Methine or azamethine dye polymers useful in nonlinear optics contain as characteristic monomer units radicals of the formulae I, II, III and IV ##STR1## where G is a divalent organic radical,Z is nitrogen or CH,R.sup.1 and R.sup.2 are each hydrogen, C.sub.1 -C.sub.6 -alkyl or substituted or unsubstituted C.sub.1 -C.sub.6 -alkoxy,R.sup.3 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl or C.sub.3 -C.sub.4 -alkenyl,R.sup.4 is hydrogen, deuterium, methyl, trideuterated methyl or chlorine,R.sup.5 is hydrogen or deuterium,Y.sup.1 and Y.sup.2 are each C.sub.2 -C.sub.10 -alkylene,E is oxygen, imino or C.sub.1 -C.sub.4 -alkylimino, andX is hydroxyl, substituted or unsubstituted C.sub.1 -C.sub.6 -alkoxy, phenoxy, amino or C.sub.1 -C.sub.4 -mono- or -dialkylamino, andthe ring A can be benzofused, and have an average molecular weight of from 1,000 to 100,000.

Abstract: Indonaphthol thermal transfer dyes have the formula ##STR1## where X is nitrogen or the radical CH,R.sup.1 and R.sup.2 are each independently of the other C.sub.1 -C.sub.6 -alkyl, which may be substituted, C.sub.1 -C.sub.6 -monooxaalkyl or -dioxaalkyl or allyl,R.sup.3 and R.sup.4 are each independently of the other hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -alkanoylamino, andR.sup.5 is five-membered hetaryl which is not benzofused and has two or more hetero atoms,with the proviso that R.sup.1 and R.sup.2 are not both unsubstituted C.sub.1 -C.sub.6 -alkyl at one and the same time.

Abstract: Pyridone transfer dyes have the formula ##STR1## where Q.sup.1 is hydrogen, fluorine, chlorine, methyl or a substituted amino radical,Q.sup.2 is hydrogen, fluorine or chlorine or Q.sup.1 and Q.sup.2 together with the carbon atoms to which they are attached form an aromatic carbocyclic or heterocyclic ring,x is a heterocyclic radical, a carboxylic or carboxamide radical or substituted amino radical andK is an aromatic radical.

Abstract: Azo dyes useful for dyeing or printing textile fibers or fabrics and for thermal transfer have the formula ##STR1## where R.sup.1 and R.sup.2 are each substituted or unsubstituted C.sub.1 -C.sub.10 -alkyl or substituted or unsubstituted C.sub.3 -C.sub.4 -alkenyl or R.sup.1 may also be hydrogen,R.sup.3 is hydrogen or C.sub.1 -C.sub.6 -alkyl,R.sup.4 and R.sup.5 are each hydrogen, C.sub.1 -C.sub.6 -alkyl, halogen, C.sub.1 -C.sub.6 -alkoxy, amino or mono- or di(C.sub.1 -C.sub.4 -alkyl)amino, andD is a radical of the thiophene, thiazole, isothiazole, benzothiophene, thienothiophene or thienothiazole series.

Abstract: Anthraquionone dyes are transferred by diffusion or sublimation from a carrier to a plastic-coated substrate with the aid of an energy source by using a carrier on which one or more anthraquinone dyes I ##STR1## where X is hydrogen or cyano,R.sup.1, R.sup.2 and R.sup.3 independently of one another are each hydrogen,alkyl, alkanoyloxyalkyl, alkoxycarbonyloxyalkyl or alkoxycarbonylalkyl, each of which may be of up to 20 carbon atoms and may be substituted by halogen, hydroxyl or cyano,phenyl or benzyl, each of which may be substituted by C.sub.1 -C.sub.15 -alkyl or C.sub.1 -C.sub.15 -alkoxy anda radical of the formula II[--W--O]n--R.sup.4 IIwhereW is identical or different C.sub.2 -C.sub.6 -alkylene radicals,n is from 1 to 6 andR.sup.4 is C.sub.1 -C.sub.4 -alkyl or unsubstituted or C.sub.1 -C.sub.4 -alkyl-substituted or C.sub.1 -C.sub.4 -alkoxy-substituted phenyl, are present.

Abstract: Bichromophoric methine and azamethine transfer dyes have the formulaZ.sup.2 --Z.sup.1 --LY.sup.1 --Y.sup.2whereinL 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 benzoquinoneiminyl, which may be benzofused, or heterocyclyl.

Abstract: Azo dye polymers useful in nonlinear optics contain as characteristic monomer units radicals of the formulae I, II, III and IV ##STR1## where D is the radical of a heterocyclic diazo component,R.sup.1 and R.sup.2 are each hydrogen, C.sub.1 -C.sub.6 -alkyl or substituted or unsubstituted C.sub.1 -C.sub.6 -alkoxy, and R.sup.2 may also be C.sub.1 -C.sub.4 -alkanoylamino,R.sup.3 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl or C.sub.3 -C.sub.4 -alkenyl,R.sup.4 is hydrogen, deuterium, methyl, trideuterated methyl or chlorine,R.sup.5 is hydrogen or deuterium,Y.sup.1 and Y.sup.2 are each substituted or unsubstituted C.sub.2 -C.sub.10 -alkylene,W is oxygen, imino or C.sub.1 -C.sub.4 -alkylimino, andX is hydroxyl, substituted or unsubstituted C.sub.1 -C.sub.6 -alkoxy, phenoxy, amino or mono- or di(C.sub.1 -C.sub.4 -alkyl)amino,and have an average molecular weight of from 1,000 to 100,000.

Abstract: A process for transferring methine dyes from a transfer to plastic-coated paper by diffusion with the aid of an energy source comprises using a transfer on which there is or are located one or more dyes of the formulaK--N.dbd.BwhereK is an aromatic carboxylic or heterocyclic radical andB is the radical of an acidic CH compound.

Abstract: Indophenol dyes of the formula ##STR1## where X is nitrogen or the radical CH,Q is a five-membered heterocyclic radical, andK is a radical of an aniline, aminonaphthalene, aminoquinoline or aminothiazole derivative, andthe radical A can be benzofused,are useful for thermal transfer processes.

Abstract: One or more indoaniline dyes are transferred from a transfer to a sheet of plastic-coated paper by diffusion or sublimation with the aid of an energy source, said indoaniline dyes having the formula ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are each independently of the others hydrogen, methyl, fluorine or chlorine,X is fluorine or chlorine, andK is an aromatic radical.

Abstract: Quinolinemethine dyes suitable for use in a thermal transfer process have the formula ##STR1## where R.sup.1 is fluorine, chlorine or bromine,R.sup.2 is hydrogen or C.sub.1 -C.sub.4 -alkyl,R.sup.3 is hydrogen, fluorine, chlorine or bromine, andK is the radical of an aniline derivative.

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 benzoquinoneiminyl, which may be benzofused, or heterocyclyl.

Abstract: Anthraquinone dyes I useful for thermal transfer printing have the formula ##STR1## where R is alkyl, alkoxyalkyl, aryloxyalkyl, alkanoyloxyalkyl, alkoxycarbonyloxyalkyl or alkoxycarbonylalkyl, which may each contain up to 20 carbon atoms and whose carbon chains may be interrupted by form one to four oxygen atoms in ether function, or is C.sub.5 -C.sub.8 -cycloalkyl or phenyl which may each be substituted by C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy.

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