Abstract: Bis-aminoarylethane compounds of the general formula ##STR1## wherein R.sub.1 and R.sub.2, which can be the same or different, represent hydrogen, alkyl of at most 12 carbon atoms which is unsubstituted or substituted by cyano or halogen, alkoxyalkyl of 2 to 8 carbon atoms, benzyl or phenyl,R.sub.3 represents hydrogen, halogen, nitro, alkyl of 1 to 4 carbon atoms or alkoxy of 1 to 4 carbon atoms,X represents an electrophilic group andY represents an inert organic group or an electrophilic group, orX and Y, together with the linkage carbon atom to which they are attached, represent a carbocylic or 5- or 6-membered heterocyclic ring which contains a keto group adjacent to the linkage carbon atom, with the 5-membered heterocyclic ring containing no nitrogen ring members adjacent to each other.These compounds are particularly useful as color formers which give intense violet to green colors of excellent light fastness when they are brought into contact with an electron-accepting co-reactant.

Abstract: Azo dyestuffs, free from sulfo groups, containing a 3-cyano-1,2,4-thiadiazole diazo component are disclosed. These dyestuffs are useful in dyeing and printing synthetic fibers, for example, especially polyester fibers and polypropylene fibers which have been metal modified.

Abstract: Thiazolylphthalide compounds of the general formula ##STR1## wherein A represents a p-aminophenyl radical of formula ##STR2## OR A 3-INDOLYL RADICAL OF FORMULA ##STR3## OR A 2-THIAZOLYL RADICAL OF FORMULA ##STR4## EACH OF R.sub.1, R.sub.2, X.sub.1, X.sub.2, R.sub.1 ' and R.sub.2 ' independently represents hydrogen, alkyl of 1 to 12 carbon atoms, alkoxyalkyl of 2 to 8 carbon atoms, cycloalkyl of 5 or 6 carbon atoms, or unsubstituted or substituted benzyl or phenyl, orEach pair of substituents R.sub.1 and R.sub.2, X.sub.1 and X.sub.2 or R.sub.1 ' and R.sub.2 ', together with the nitrogen atom to which they are attached, independently represents a heterocyclic ring,Each of Y.sub.1 and Y.sub.1 ' represents hydrogen, alkyl of 1 to 12 carbon atoms, cycloalkyl or 5 or 6 carbon atoms or unsubstituted or substituted benzyl or phenyl,V.sub.1 represents hydrogen, alkyl of 1 to 12 carbon atoms, alkoxy of 1 to 12 carbon atoms or acyloxy of 2 to 12 carbon atoms,Z.sub.

Abstract: A pressure-sensitive and/or heat-sensitive recording material which contains, as the color former, at least one azine compound of the general formulaA -- CH .dbd. N -- N .dbd. CH -- A (1)in which A represents one of the following radicals ##STR1## wherein X denotes the radical ##STR2## --O--R.sub.1 or --S--R.sub.1, R.sub.1 denotes alkyl which has at most 12 carbon atoms and is unsubstituted or substituted by halogen, hydroxyl, cyano, lower alkoxy or lower alkoxy-carbonyl, cycloalkyl or phenyl or benzyl which are unsubstituted or substituted by halogen, nitro, lower alkyl or lower alkoxy,R.sub.2 denotes hydrogen, alkyl which has at most 12 carbon atoms and is unsubstituted or substituted by halogen, hydroxyl, cyano, lower alkoxy or lower alkoxycarbonyl, cycloalkyl or benzyl which is unsubstituted or substituted by halogen, nitro, lower alkyl or lower alkoxy, or R.sub.1 and R.sub.

Abstract: Aminobenzaldehyde compounds which correspond to the general formula ##STR1## wherein R.sub.1, R.sub.2, X.sub.1 and X.sub.2 independently of one another represent alkyl having 1 to 12 carbon atoms, alkoxyalkyl having 2 to 8 carbon atoms, cycloalkyl having 5 or 6 carbon atoms, or optionally substituted benzyl or phenyl, andX.sub.1 and X.sub.2 can also represent hydrogen, orThe substituent pairs R.sub.1 and R.sub.2 and X.sub.1 and X.sub.2 independently of one another each represent together with the nitrogen atom linking them a 5- or 6-membered heterocyclic radical; these compounds are particularly useful as intermediate products for the manufacture of color formers.

Abstract: Indolyl methylene leuco dyestuffs of the formula ##STR1## wherein X.sub.1 and X.sub.2 independently of the other, represent alkyl with 2 to 12 carbon atoms, alkenyl with at most 12 carbon atoms or phenylalkyl with 1 to 4 carbon atoms in the alkyl part, Y.sub.1 and Y.sub.2 independently of the other, represent hydrogen, alkyl with 1 to 12 carbon atoms or phenyl, Z represents alkyl with 1 to 12 carbon atoms, alkenyl with at most 12 carbon atoms, aryl, aralkyl or a heterocyclic residue and the rings A and B may be further substituted by cyano, nitro, halogen, alkyl having 1 to 4 carbon atoms, alkoxy having 1 to 4 carbon atoms or acyl with 1 to 8 carbon atoms, said methylene compounds are particularly useful as slow developing color formers in pressure-sensitive recording material and exhibit good light and air stability.

Abstract: Phthalides of the formula ##STR1## wherein R.sub.1 and R.sub.2, independently of the other, represent hydrogen, alkyl with 1 to 12 carbon atoms, alkoxyalkyl with 2 to 8 carbon atoms, cycloalkyl with 5 or 6 carbon atoms, benzyl or phenyl, X represents alkyl with 1 to 12 carbon atoms, alkoxy with 1 to 12 carbon atoms or acyloxy with 2 to 12 carbon atoms, Y represents alkyl with 2 to 12 carbon atoms, alkoxy with 3 to 12 carbon atoms or acyloxy with 2 to 12 carbon atoms, Z represents hydrogen, alkyl having 1 to 12 carbon atoms or phenyl, U represents alkyl having 3 to 12 carbon atoms, benzyl or cyanoethyl, or may also represent W when R.sub.1 and R.sub.2 both are benzyl, W represents hydrogen, methyl or ethyl and n is 1 or 2, the benzene rings A and B may be substituted by an amino group optionally substituted by alkyl with 1 to 6 carbon atoms and the benzene ring B may also be substituted by nitro or halogen.

Abstract: Nitro-phthalides of the formula ##STR1## in which E is a radical of the formula ##STR2## X and X' each represents alkyl with 1 to 12 carbon atoms, alkoxy with 1 to 12 carbon atoms or acyloxy with 2 to 12 carbon atoms, and X may also be hydrogen. Z represents hydrogen, alkyl having 1 to 12 carbon atoms or phenyl, Y represents hydrogen, alkyl having 1 to 12 carbon atoms, benzyl or cyanoethyl, R.sub.1, R.sub.2, R.sub.1 ' and R.sub.2 ', independently of the other, represents hydrogen, alkyl with 1 to 12 carbon atoms, alkoxyalkyl with 2 to 8 carbon atoms, cycloalkyl with 5 or 6 carbon atoms, benzyl or phenyl and the benzene ring B may be further substituted by halogen, nitro or an amino group optionally substituted by alkyl with 1 to 6 carbon atoms.The nitro-phthalides are particularly useful as color formers which give intense green, blue-green or blue colors when they are brought into contact with an electron-accepting co-reactant.

Abstract: A heat-sensitive recording material which contains as color former at least one compound of the general formula ##STR1## wherein R.sub.1 and R.sub.2, which can be the same or different, represent hydrogen, alkyl of at most 12 carbon atoms which is unsubstituted or substituted by cyano or halogen, alkoxyalkyl of 2 to 8 carbon atoms, benzyl or phenyl, R.sub.3 represents hydrogen, halogen, nitro, alkyl of 1 to 4 carbon atoms or alkoxy of 1 to 4 carbon atoms, andZ represents alkenyl of at most 12 carbon atoms, unsubstituted or ring-substituted aralkyl or aralkenyl, or represents the radical of a reactive organic methylene compound or of a heterocyclic compound which does not contain active methylene groups.

Abstract: Lactone compounds of the formula ##STR1## wherein X represents alkyl with 1 to 12 carbon atoms, alkoxy with 1 to 12 carbon atoms or acyloxy with 2 to 12 carbon atoms,Y represents an optionally substituted 2-pyrrolyl, 3-indolyl or 3-carbazolyl radical,The nitrogen ring A represents a heterocyclic radical which optionally includes a further hetero atom as a ring member and the ring B represents a 6-membered aromatic or heterocyclic ring which may have an aromatic condensed ring and both the ring B and the condensed ring may be substituted. These lactone compounds are particularly useful as color formers which give intense green-blue, blue or violet-blue colors when they are brought into contact with an electron-accepting co-reactant.

Abstract: Thermoreactive recording material comprising at least a support, a binder, a color former and an electron accepting substance, wherein the color former is a compound of the formula ##STR1## wherein R.sub.1 and R.sub.2, independently of the other, represent hydrogen, alkyl with 1 to 12 carbon atoms, alkoxyalkyl with 2 to 8 carbon atoms, cycloalkyl with 5 or 6 carbon atoms, benzyl or phenyl,X and Y, independently of the other, represent alkyl with 1 to 12 carbon atoms, alkoxy with 1 to 12 carbon atoms, phenyl or phenyl substituted by methyl, nitro, halogen, amino or an amino group mono- or disubstituted by alkyl with 1 to 12 carbon atoms, acyl with 2 to 12 carbon atoms or by benzyl, and the benzene ring A may be substituted by 1 to 4 halogen atoms.

Abstract: A pressure-sensitive or heat-sensitive recording material which contains as color former at least one tetrahydroquinoline compound of the general formula ##STR1## wherein EACH OF R.sub.1 and R.sub.2 represents lower alkyl, cycloalkyl or benzyl or together represent alkylene, andX represents alkyl of at most 12 carbon atoms which is unsubstituted or substituted by halogen, hydroxyl, cyano, lower alkoxy or lower alkoxycarbonyl, or benzyl which is unsubstituted or substituted by halogen, nitro, lower alkyl or lower alkoxy,And the rings A can be substituted by halogen, nitro, cyano, trifluoromethyl, lower alkyl, lower alkoxy, lower alkoxycarbonyl, phenyloxy, amino, lower alkylamino or N-lower alkylcarbonylamino.

Abstract: Pressure-sensitive copying or recording material which contains, in its color-producing system, as the color former, at least one azomethine compound of the formula ##STR1## WHEREIN R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represent hydrogen, alkyl of 1 to 4 carbon atoms, cyanoalkyl of 2 to 5 carbon atoms, unsubstituted benzyl or phenyl, or benzyl or phenyl substituted by halogen, alkyl of 1 to 4 carbon atoms or alkoxy of 1 to 4 carbon atoms, orR.sub.1 and R.sub.2 conjointly represent alkylene of 4 to 5 carbon atoms and/or R.sub.3 and R.sub.4 conjointly represent alkylene of 4 or 5 carbon atoms,X.sub.1 and X.sub.2 each represent hydrogen, halogen, alkyl of 1 to 4 carbon atoms or alkoxy of 1 to 4 carbon atoms,A represents naphthylene or phenylene which is unsubstituted or substituted by halogen, alkyl of 1 to 5 carbon atoms,Alkoxy of 1 to 4 carbon atoms, phenoxy, halogenophenoxy or acylamino of 1 to 9 carbon atoms, and n is 1 or 2.

Abstract: Heterocyclic substituted chromenopyrazoles having the general formula ##STR1## wherein THE NITROGEN-CONTAINING RING A represents a heterocyclic radical which may contain a further heteroatom in the ring,X and Y, independently of the other, represent alkyl of 1 to 12 carbon atoms, alkoxy of 1 to 12 carbon atoms, phenyl or phenyl which is substituted by alkyl of 1 to 4 carbon atoms, nitro, halogen, amino or by an amino group which is mono or disubstituted by alkyl of 1 to 12 carbon atoms, acyl of 2 to 12 carbon atoms or by benzyl, andWherein the benzene ring B is unsubstituted or is substituted by a nitro group or by 1 to 4 halogen atoms. These chromenopyrazoles are particularly useful as color formers which give strong orange, orange red or brownish orange colors when they are brought into contact with an electron-accepting co-reactant.

Abstract: Heterocyclic substituted fluoran compounds of the formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 independently of the other, represent hydrogen, alkyl with 1 to 4 carbon atoms, nitro or halogen orR.sub.2 and R.sub.3 together complete a condensed carbocyclic ring,X.sub.1 and X.sub.2 independently of the other, represent hydrogen, alkyl with 1 to 12 carbon atoms, alkenyl with at most 12 carbon atoms, alkoxyalkyl with 2 to 8 carbon atoms, alkoxycarbonylalkyl with 3 to 9 carbon atoms cycloalkyl with 5 or 6 carbon atoms, acyl having 1 to 12 carbon atoms, or optionally substituted benzyl, phenyl or naphthyl, andThe nitrogen ring A represents a heterocyclic radical which optionally includes a further hetero atom as a ring member and the benzene ring B may be further substituted by nitro or 1 to 4 halogen atoms. These fluorans compounds are particularly useful as color formers which give intense dark green, grey black or red colors when they are brought into contact with an electron-accepting co-reactant.

Abstract: Pressure-sensitive copying material containing included in its Color-reactant system a mixture of at least two color formers, wherein at least one color former is a leuco methylene dyestuff of the formula ##EQU1## wherein Y represents an amino-substituted phenyl residue of the formula ##SPC1##Or an indolyl residue of the formula ##SPC2##Wherein R.sub.1 and R.sub.2, independently of the other represent hydrogen, alkyl with 1 to 12 carbon atoms, alkoxyalkyl with 2 to 8 carbon atoms, benzyl or phenyl, R.sub.3 is hydrogen, halogen, nitro, alkyl having 1 to 4 carbon atoms or alkoxy having 1 to 4 carbon atoms, X.sub.1 represents hydrogen, alkyl with 1 to 12 carbon atoms, alkenyl with at most 12 carbon atoms or benzyl, X.sub.

Abstract: New dicarboximides of the formula ##SPC1##WhereinR represents a phenyl mono- to trisubstituted, identically or differently, by fluorine, chlorine, bromine, iodine, trifluoromethyl, nitro, cyano, C.sub.1 --C.sub.4 -alkyl, methoxy or methylthio, or monosubstituted by a methylenedioxy group, andZ.sub.1 and Z.sub.2 each represent hydrogen, or together with the carbon atoms to which they are bound they represent a carbon-carbon bondAnd their use for controling insects are disclosed.

Abstract: The invention relates to copying and recording materials such as pressure-sensitive and/or heat-sensitive material, which contains as color former specific naphthofuranes.

Abstract: Nitro-chromenopyrazole compounds of the formula ##SPC1##WhereinR.sub.1 and R.sub.2, independently of the other, represent hydrogen, alkyl with 1 to 12 carbon atoms, alkoxyalkyl with 2 to 8 carbon atoms, cycloalkyl with 5 or 6 carbon atoms, benzyl or phenyl, andX and Y, independently of the other, represent alkyl with 1 to 12 carbon atoms, alkoxy with 1 to 12 carbon atoms, phenyl or phenyl substituted by alkyl having 1 to 4 carbon atoms, nitro, halogen, amino or an amino group mono- or disubstituted by alkyl with 1 to 12 carbon atoms, acyl with 2 to 12 carbon atoms or benzyl.The nitro-chromenopyrazole compounds are particularly useful as color formers which give intense orange-red color when they are brought into contact with an electron-accepting co-reactant.

Abstract: The present invention relates to naphtholactamcarbinols, which may be used as color formers in pressure-sensitive or thermoreactive recording material.