Abstract: An optical recording material including a substrate and a recording layer which is formed overlying the substrate, wherein the recording layer includes an azo chelate compound including an azo compound and at least one of a metal and a metal salt, and wherein the azo compound has the following formula (1):

Abstract: An optical recording medium which can be recorded and read at a short wavelength (about 635-680 nm) or which can be recorded and read at two wavelengths, the short wavelength and a conventional wavelength (about 780 nm) has a recording layer containing an azo metal complex dye obtained by reacting a metal compound with an azo compound of formula (I) or an azo compound of formula (II). ##STR1## In formula (I), Q.sub.1 is a group of atoms necessary to form an aromatic ring with two C, A is C or a hetero-atom, Q.sub.2 is a group of atoms necessary to form an aromatic ring with two C and A, and Q.sub.3 is a group of atoms necessary to form an aromatic ring with C, N and A, fused to the aromatic ring completed by Q.sub.2. In formula (II), Q.sup.1 is a 8-quinolyl radical and Q.sup.2 is a 2-imidazolyl radical whose nitrogen at the 1-position has active hydrogen.

Abstract: The invention provides a process for the production of azodyes and their derivatives by diazotization and coupling reactions and optionally further modification reactions, wherein a compound of formula ##STR1## in which E signifies an aromatic bivalent radical,X.sub.1 signifies hydroxy or a primary amino group,Y.sub.1 signifies hydroxy or a primary amino group and in which the aminogroup linked to the --SO.sub.2 -bound phenyl radical may optionally be acylated,or a mixture of compounds of formula (I), is employed as a coupling component or/and--in the non-acylated form--as a diazo component,the invention in particular relates also to the novel dyes and their use and to the novel intermediates.

Abstract: The invention provides a 1:2 metal complex in which at least one of the complexants is a polyazo compound of formula ##STR1## wherein --A.sub.1 --(CO).sub.p --OH signifies the radical of a diazo component of formula H.sub.2 N--A--(CO).sub.p --OH, in which the substituent --(CO).sub.p --OH is in ortho-position to the diazotizable amino group --NH.sub.2, --A-- is the ortho-bivalent radical and p signifies 0 or 1, or a modified derivative thereof,--X-- signifies an aromatic bivalent radical,--B.sub.1 signifies the radical of a coupling component HB, or a modified derivative thereof,m signifies 0 or 1,n signifies 0, 1 or 2and M signifies hydrogen or a cation, with the proviso that m+n=1 or 2,or a mixture of such complexes and to the use thereof as dyestuffs, in particular for the dyeing of a substrate dyeable with anionic dyes, especially of leather or pelts.

Abstract: A deodorant containing an azo metal complex expressed by the following structural formula 1, which is produced by mixing a solution in which azo compounds to be ligands are dissolved with a solution in which a metal salt is dissolved: ##STR1## In the structural formula 1, M represents a metal element, R.sub.1 and R.sub.2 represent aromatic compounds, which may be the same or different from each other, and R.sub.3 and R.sub.4 represent aromatic compounds or heterocyclic compounds, which may be the same or different from each other. In addition, either one or both of nitrogen atoms in an azo base in each of the legends may be coordinated to the metal M.

Abstract: An azo metal chelate compound of an azo compound of the formula (I) with a metal: ##STR1## wherein A is a residue forming a heterocyclic ring together with the carbon atom and the nitrogen atom to which it is bonded, X is a residue forming an aromatic group together with the two carbon atoms to which it is bonded, R.sup.1 is an alkyl group which may be substituted, an aryl group which may be substituted, an alkenyl group which may be substituted, or a cycloalkyl group which may be substituted, Y is a hydrogen atom or a cation, and n is an integer of from 1 to 3.

Abstract: Cationic 1,3,4-thiadiazolyldiphenylamine dyestuffs and corresponding anhydro bases, the dyestuffs having the formula (I) ##STR1## their preparation and their use, and materials dyed with such dyestuffs.

Abstract: A dye-incorporated composition which comprises a cyanine type dye and an azo metal chelate compound comprising an azo type compound of the following formula (I): ##STR1## (wherein A is a residue forming a hetero ring together with the carbon atom and the nitrogen atom to which it is bonded, B is a residue forming an aromatic ring or a hetero ring together with the two carbon atoms to which it is bonded, and X is a group having an active hydrogen), and a metal, and an optical recording medium comprising a recording layer which contains the dye-incorporated composition.

Abstract: A metal chelate compound comprising a monoazo compound of the following formula (I): ##STR1## (wherein A is a residue forming a hetero ring together with the carbon atom and the nitrogen atom to which it is bonded, B is a residue forming an aromatic group together with the two carbon atoms to which it is bonded, and X is a hydrogen atom or a cation), and a metal, and an optical recording medium comprising a substrate and a recording layer formed thereon for information to be written in and/or read out by laser, wherein said recording layer contains the metal chelate compound comprising a monoazo compound of the above formula (I) and a metal.

Abstract: Compounds of the formula ##STR1## and acid addition salts thereof whereinA.sub.1 is C.sub.1-8 alkylene; C.sub.2-8 alkylene substituted by 1 or 2 substituents selected from hydroxy, halo and cyano; C.sub.2-8 alkenylene; cyclohexylene; cyclohexylene substituted by 1 to 3 C.sub.1-4 alkyl groups; phenylene or phenylene substituted by 1 or 2 substituents selected from halo, C.sub.1-4 alkyl and C.sub.1-4 alkoxy,B.sub.1 is ##STR2## wherein the quaternized nitrogen atom is bound to a carbon atom of A.sub.1,R is hydrogen, C.sub.1-4 alkyl, C.sub.5-6 cycloalkyl, phenyl, benzyl or phenylethyl,T is hydrogen, cyano, --COOR.sub.1, --CON(R.sub.2).sub.2, --SO.sub.2 N(R.sub.2).sub.2, ##STR3## wherein R.sub.1 is C.sub.1-6 alkyl or phenyl(C.sub.1-3 alkyl),each R.sub.3 is independently hydrogen, C.sub.1-4 alkyl, --CON(R.sub.2).sub.2 or --N(R.sub.5).sub.2, andX.sub.1 is --S--, --O-- or --N(R.sub.5)--,Y is hydrogen or a chromophoric group, andZ is ##STR4## wherein R.sub.11 is ##STR5## wherein W is --NR.sub.6 R.sub.7 or --.sup..sym.

Abstract: Dyes suitable for dyeing a wide range of textile and non-textile materials, in particular for dyeing leather and pelts, having, in the form of the free acid, the formula ##STR1## wherein D.sub.1 and D.sub.2 are each independently of the other the radical of a diazo component of the benzene or naphthalene series which carries a hydroxy or carboxy in ortho-position to the azo group and which may or may not be further substituted,K is the radical of a coupling component of the benzene or naphthalene series or of the heterocyclic series which carries the group X in ortho-position to the azo group and which may or may not be further substituted,Me is chromium or cobalt,Q is an unsubstituted or substituted phenyl or naphthyl radical or an unsubstituted or substituted aromatic-heterocyclic radical,R.sub.1 is unsubstituted or substituted C.sub.1 -C.sub.6 alkyl or unsubstituted or substituted phenyl,R.sub.2 is hydrogen or independently has the meaning of R.sub.1, X is --O-- or --NR.sub.3,R.sub.3 is hydrogen or C.sub.

Abstract: Novel metallized azo dyes are useful as infrared absorptive dyes in inks for ink-jet printing.

Abstract: A recording liquid containing at least one compound represented by formula (I) ##STR1## wherein Z represents an atomic group forming at least one substituted or unsubstituted 5-membered to 7-membered aromatic or heterocyclic ring; Z' represents at least one substituted or unsubstituted 5-membered to 7-membered aromatic or heterocyclic ring which contains in its ring (i) a nitrogen atom acting as a coordinating atom or (ii) a carbon atom to which a nitrogen atom acting as a coordinating atom is directly bonded at a position adjacent to the position to which the azo group is bonded; and G is a metal-chelating group. The recording liquid exhibits improved light-resistance and water-resistance as well as satisfactory hue and absorbance.

Abstract: Azobarbituric acid derivatives characterized in that in their free acid form they have the following tautomeric structure are disclosed: ##STR1## The azobarbituric acid derivatives are characterized in that X and Y rings can each carry one or two substituents from the series comprising .dbd.O, .dbd.S, .dbd.NR.sub.7, --NR.sub.6 R.sub.7, --OR.sub.6, --SR.sub.6, --COOR.sub.6, --CN, --CONR.sub.6 R.sub.7, --SO.sub.2 R.sub.8, ##STR2## alkyl, cycloalkyl, aryl and aralkyl, the total number of the endocyclic and exocyclic double bonds for each of the rings X and Y being three.The new azobarbituric acid derivatives are other than those of azobarbituric acid, azouracil and uracil-5-azobarbituric acid and their salts. The compounds are useful as pigments which pigments are useful for pigmented paints, in printing inks, distempers or emulsion paints, inter alia.

Abstract: New inclusion compound, intercalation compounds or solid solutions which are the nickel salts or nickel complexes of a compound which, in one of its tauteromeric structures, corresponds to the formula ##STR1## which contain at least one other included compound, except for one composition of matter which consists of 45 to 82% by weight of azobarbituric acid/nickel 1:1 complex, 3 to 15% by weight of benzene-sulphonamide, 5 to 20% by weight of nickel acetate and 10 to 20% by weight of water and the use of these materials as pigments are disclosed.

Abstract: Photographic elements, diffusion transfer assemblages and coordination complexes are described which employ a novel nondiffusible compound capable of releasing at least one diffusible dye moiety having the formula: ##STR1## wherein: (a) D.sup.1, D.sup.2 and D.sup.3 each independently represents the atoms necessary to complete an aromatic heterocyclic nucleus having at least one ring of 5 to 7 atoms;(b) Z.sup.1 and Z.sup.2 each independently represents the atoms necessary to complete an aromatic carbocyclic or heterocyclic nucleus having at least one ring of 5 to 7 atoms or a ketomethine group;(c) G.sup.1 and G.sup.2 each independently represents a metal chelating group;(d) Me is a polyvalent, hexacoordinate metal ion,(e) CAR represents a ballasted carrier moiety capable of releasing the diffusible dye moiety as a function of development of the silver halide emulsion layer under alkaline conditions; and(f) n is 1, 2 or 3.