Abstract: Indoleninemethine dyes of the formula ##STR1## where the ring A is substituted or unsubstituted, R.sup.1 is hydrogen, substituted or unsubstituted C.sub.1 -C.sub.13 -alkyl, C.sub.3 -C.sub.4 -alkenyl, C.sub.5 -C.sub.7 -cycloalkyl or substituted or unsubstituted phenyl, andR.sup.2 is substituted or unsubstituted C.sub.1 -C.sub.13 -alkyl, C.sub.3 -C.sub.4 -alkenyl, substituted or unsubstituted phenyl or substituted or unsubstituted amino,are useful for dyeing or printing synthetic materials and can be thermally transferred.

Abstract: Pyridone dyes of the formula I ##STR1## where X is nitrogen or CH,R.sup.1 is a 5-membered or 6-membered carbocyclic or heterocyclic radical,R.sup.2 is cyano, carbamoyl, C.sub.1 -C.sub.6 -alkoxycarbonyl or C.sub.1 -C.sub.4 -alkanoyl andR.sup.3 is unsubstituted or substituted C.sub.1 -C.sub.13 -alkyl, unsubstituted or substituted phenyl or unsubstituted or substituted amino,a method for their thermal transfer and a method for coloring or printing synthetic materials by means of the novel dyes.The invention concerns pyridone dyes of the formula (I) in which X is nitrogen or CH, R.sup.1 is a five-membered or six-membered carbocyclic or heterocyclic group, R.sup.2 is cyano, carbamoyl, C.sub.1 -C.sub.6 alkoxycarboyl or C.sub.1 -C.sub.4 alkanoyl and R.sup.3 is optionally substituted C.sub.1 -C.sub.13 alkyl, optionally substituted phenyl or optionally substituted amino.

Abstract: The present invention relates to trifluoromethylpyridone-based methine and azamethine dyes of the formula I ##STR1## a process for their thermal transfer, a process for dyeing or printing synthetic materials and their use.

Abstract: Methine dyes of the formula ##STR1## where K is a carbocyclic or heterocyclic radical,X is nitrogen or a radical of the formula C--Q.sup.1, andQ.sup.1, Q.sup.2 and Q.sup.3 are hydrogen, substituted or unsubstituted C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.8 -cycloalkyl, substituted or unsubstituted phenyl, C.sub.1 -C.sub.6 -alkoxy, benzyloxy, substituted or unsubstituted phenoxy, C.sub.1 -C.sub.6 -alkylthio, halogen, cyano, formylamino or a radical of the formula R.sup.3, --CO--OR.sup.1, --CO--NHR.sup.1, --CO--NH--CO--R.sup.1, --CO--NH--CO--R.sup.3, --CO--NH--SO.sub.2 R.sup.3, --NH--CO--R.sup.1, --NH--CO--OR.sup.1, --NH--CO--NR.sup.1 R.sup.2, NH--CS--OR.sup.1, --NH--CS--NR.sup.1 R.sup.2, --NH--CO--R.sup.3, --NH--SO.sub.2 --R.sup.1, --NH--SO.sub.2 --R.sup.3 or --NH--SO.sub.2 --NR.sup.1 R.sup.2, wherein R.sup.1 and R.sup.2 are substituted or unsubstituted C.sub.1 -C.sub.13 -alkyl, C.sub.3 -C.sub.8 -cycloalkyl or substituted or unsubstituted phenyl, or else --NR.sup.1 R.sup.2 is amino, and R.sup.

Abstract: Azamethine dyes of the formula ##STR1## where W is oxygen, sulfur or a radical of the formula --NH--CO--, --NH--COO-- oder --NH--SO.sub.2 --,Z.sup.1 is C.sub.1 -C.sub.4 -alkyl with or without substitution, phenyl or C.sub.1 -C.sub.4 -alkoxy,Z.sup.2 and Z.sup.3 are each hydrogen or C.sub.1 -C.sub.4 -alkyl with or without substitution, provided --CZ.sup.1 Z.sup.2 Z.sup.3 is not linear and is not isopropyl,Z.sup.4 is hydrogen, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy,Z.sup.5 and Z.sup.6 are each C.sub.1 -C.sub.10 -alkyl with or without substitution, C.sub.3 -C.sub.4 -alkenyl, C.sub.5 -C.sub.7 -cycloalkyl, phenyl or tolyl, or together with the nitrogen atom joining them together a heterocyclic radical or Z.sup.4 and Z.sup.5 are together a bridge member, andT is a radical of a cyclic acidic--CH compound H.sub.2 T,are useful for thermal transfer.

Abstract: Liquid-crystalline compounds of the formula IX(--Y--A--Y--M--Y--B).sub.n I,whereX is an aromatic or aliphatic ring system,n is an integer from 2 to 6,each Y, independently of the others, is a direct bond, --COO--, --OCO--, --O--, --CONH-- or --CON(R)--, where R is C.sub.1 -- to C.sub.4 -alkyl,A is a spacer,M is a mesogenic group andB is a side chain,are particularly suitable for use in displays or for the production of light-reflecting coatings.

Abstract: Methine dyes of the formula ##STR1## where K is a 5- or 6-membered carbocyclic or heterocyclic radical,X is nitrogen or a radical of formula C--Q.sup.1, andQ.sup.1, Q.sup.2 and Q.sup.3 are each independently of the others hydrogen, C.sub.1 -C.sub.6 -alkyl with or without interruption by 1 or 2 oxygen atoms in ether function, benzyl, C.sub.3 -C.sub.8 -cycloalkyl, substituted or unsubstituted phenyl, C.sub.1 -C.sub.4 -fluoroalkyl, C.sub.1 -C.sub.6 -alkoxy, benzyloxy, substituted or unsubstituted phenoxy, C.sub.1 -C.sub.6 -alkylthio, halogen, cyano, formylamino or a radical of the formula R.sup.3, --COR.sup.1, --CO--NHR.sup.1, --CO--NH--CO--R.sup.1, --CO--NH--CO--R.sup.4, --CO--NH--SO.sub.2 R.sup.4, --NH--CO--R.sup.1, --NH--CO--OR.sup.1, --NH--CO--NR.sup.1 R.sup.2, --NH--CSOR.sup.1, --NH--CS--NR.sup.1 R.sup.2, --NH--CO--R.sup.4, --NH--SO.sub.2 --R.sup.1, --NH--SO.sub.2 --R.sup.4 or --NH--SO.sub.2 --NR.sup.1 R.sup.2, where R.sup.1 and R.sup.2 are each independently of the other C.sub.1 -C.sub.