Abstract: Described is a black dichroic dye composition comprising 2 or more dyes, wherein at least one dye, generally a red dye and optionally a yellow dye, conforms to the formula A and at least one dye, usually a blue dye, conforms to the formula B Ar1—N?N—[Ar2—N?N—]qAr3—N?N—Ar4 (B) with symbols as defined in present claims. The dye composition is well suited for combination with liquid crystal material for use, inter alia, as polarizing film and/or in liquid crystal displays, showing, inter alia, high dichroic ratio and excellent compatibility with the LC material.

Abstract: Described is a black dichroic dye composition comprising 2 or more dyes, wherein at least one dye, generally a red dye and optionally a yellow dye, conforms to the formula A and at least one dye, usually a blue dye, conforms to the formula B Ar1—N?N—[Ar2—N?N—]qAr3—N?N—Ar4 (B) with symbols as defined in present claims. The dye composition is well suited for combination with liquid crystal material for use, inter alia, as polarizing film and/or in liquid crystal displays, showing, inter alia, high dichroic ratio and excellent compatibility with the LC material.

Abstract: The invention accordingly relates to an optical recording medium comprising a substrate, a reflecting layer and a recording layer, wherein the recording layer comprises a compound of formula (I) or a mesomeric or a tautomeric form thereof, wherein M1 is a metal cation in the oxidation state +3, a hydroxy or halogeno metal group wherein the metal is in the oxidation state +4, or an oxo metal group wherein the metal is in the oxidation state +5; (III) and (IV)are each independently of the other (V), (VI) or (VII); (VIII) is (IX), (X), (XI), (XII), (XIII), or (XIV); (XV) is (XVI) or C2-C8heteroaryl unsubstituted or mono- or poly-substituted by R10, R11, R12 and/or R13; Q1 is N or CR18, Q2 is N or CR19, Q3, Q5 and Q7 are each independently of the other CR20R21, O, S or NR22, Q4 is CR16 or N and Q6 is CR17 or N; and R2 and/or R6 are O, S or NR33. Please see the disclosure for the other substituents which are less relevant.

Abstract: The invention relates to an optical recording medium comprising a substrate, a reflecting layer and a recording layer, wherein the recording layer comprises a compound of formula preferably a compound of formula or a mesomeric or tautomeric form thereof, wherein Ah+ is an organic cation having h quaternary ammonium or phosphonium groups; Q1 is N or CR15, Q2 is N or CR16, Q3, Q5 and Q7 are each independently of the other CR17R18, O, S or NR19, Q4 is CR13 or N and Q6 is CR14 or N; and one of R1 and R3 is OR17, OR20, SR17, SR20, NR17R18, NR18R20 or NR20R21, and the other of R1 and R3 is O?, S? or N?R22. The compounds of formula (I) and (II) are novel and also claimed, as well as mixtures thereof with metal complexes. The optical recording media are remarkably suitable for DVD±R (658 nm), especially at high recording speeds.

Abstract: The invention relates to an optical recording medium comprising a substrate, a reflecting layer and a recording layer, wherein the recording layer comprises a compound of formula [L1Mr-4L-2]o [Am]p [Zn+q(I), [L1Mr?3L?3]0 [Am]P[Zn+]q(II) or [L3Mr?2L4]0 [Am]p[Zn+]q (III), or where applicable a mesomeric or tautomeric form thereof, wherein L1 and L2 are each independently of the other and L3 and L4 are each independently of the other wherein Q1 is CR1 or N, Q2 is O, S, NR10 or Q5?Q8, Q3 is CR3 or N, Q4 is O, S, NR10 or Q7?Q8, Q5 is CR5 or N, Q6 is CR6 or N, Q7 is CR7 or N, Q8 is CR8 or N, and Q9 is 0, S, NR10 or Q6?Q8; Mr, Am?, Zn+, R2, R9 are as defined in the claims.

Abstract: Compounds of formula (1) wherein R1 is hydrogen, hydroxy, halogen, nitro, cyano, amino, carboxy, carboxylic ester, sulfo, sulfonic ester, carboxylic amide, sulfonic amide, alkylthio, arylthio, alkoxy or aryloxy, R?1 is hydrogen, hydroxy, halogen, nitro, cyano, amino, carboxy, carboxylic ester, sulfo, sulfonic ester, carboxylic amide, sulfonic amide, alkylthio, arylthio, alkoxy or aryloxy, X is —O—, —S—, —NH— or —N(alkyl)—, X? is —O—, —S—, —NH— or —N(alkyl)—, Y is hydrogen or carboxylic ester, Y? is hydrogen or carboxylic ester, Z is ?C— or ?N—, Z? is ?C— or ?N—, x is 0 or 1, when Z is ?N—, then x is 0, y is 0 or 1, when Z? is ?N—, then y is 0, A is a conjugated linking bridge of the formula wherein n is 0, 1, 2 or 3, m is 0, 1, 2 or 3, B is a phenyl ring, T is ?C(R3)— or ?N—, wherein R3 is hydrogen, C1-C12alkyl or CN, W is a heterocyclic, or linear or polycondensed aromatic group which is unsubstituted or substituted by alkyl, halogen, hydroxy, alkoxy, alkylthio or amino, G is —CH? or —N?, and R2 i

Abstract: Compounds of formula (1) wherein R1 is hydrogen, hydroxy, halogen, nitro, cyano, amino, carboxy, carboxylic ester, sulfo, sulfonic ester, carboxylic amide, sulfonic amide, alkoxy, aryloxy, alkylthio or arylthio, X is —O—, —S—, —NH— or —N(alkyl)-, Y is hydrogen or carboxylic ester, Z is ?C— or ?N—, T is ?C— or ?N—, R2 is hydrogen, alkyl or CN, n is 0 or 1, when Z is ?N— then n is 0, m is 0 or 1, when T is ?N— then m is 0, A is a heterocyclic or linear or polycondensed aromatic group which is unsubstituted or substituted by hydroxy alkyl, halogen, nitro, cyano, amino, acylamino, carboxylic ester, sulfonic ester, carboxylic amide, sulfonic amide, alkoxy, aryloxy, alkylthio, arylthio or phenyl, or A together with T and R2 can form an allycyclic or heterocyclic ring, their preparation and their use in the production of coloured plastics or polymeric colour particles.

Abstract: Compounds of formula (I) wherein R1 is hydrogen, hydroxy, halogen, nitro, cyano, amino, carboxy, carboxylic ester, sulfo, sulfonic ester, carboxylic amide, sulfonic amide, alkylthio, arylthio, alkoxy or aryloxy, R?1 is hydrogen, hydroxy, halogen, nitro, cyano, amino, carboxy, carboxylic ester, sulfo, sulfonic ester, carboxylic amide, sulfonic amide, alkylthio, arylthio, alkoxy or aryloxy, X is —O—, —S—, —NH— or —N(alkyl)-, X? is —O—, —S—, —NH— or —N(alkyl)-, Y is hydrogen or carboxylic ester, Y? is hydrogen or carboxylic ester, Z is ?C— or ?N—, Z? is ?C— or ?N—, x is 0 or 1, when Z is ?N—, then x is 0, y is 0 or 1, when Z? is ?N—, then y is 0, A is a conjugated linking bridge of the formulae (II), (III), (IV), (V), or (VI), wherein n is 0, 1, 2 or 3, m is 0, 1, 2 or 3, B is a phenyl ring, T is ?C(R3)— or ?N—, wherein R3 is hydrogen, C1-C12alkyl or CN, W is a heterocyclic, or linear or polycondensed aromatic group which is unsubstituted or substituted by alkyl, halogen, hydroxy, alkoxy, alkylthio or amino, G i

Abstract: The present invention relates to novel pigments of formula (1), wherein R1 is hydrogen or C1–C12alkyl, R2 is hydrogen, —CN, —COO-aryl, —COO-heteroaryl, —CONH-aryl or —CONH-heteroaryl, and R3 is the radical of a heteroaromatic compound of formula or R2 and R3 together form a radical of formula wherein R4, R5, R6 and R7 are defined herein and to a process for the preparation of those pigments, and to their use in the production of coloured plastics or polymeric colour particles.

Abstract: The present invention relates to a method of mass-coloring synthetic materials, which comprises using at least one pigment dye of formula (1) wherein R and R1 together form a phenyl or heteroaryl radical and R2 is hydrogen, or R1 and R2 together form a phenyl or heteroaryl radical and R is hydrogen, and the rings A and B may each independently of the other be substituted by C1-C4?alkyl, C1–C4alkoxy, halogen, —COOR3, —CONHR4 and/or by —SR5, wherein R3, R4 and R5 are each independently of the others hydrogen, C1–C4alkyl, C6–C12aryl or heteroaryl, to synthetic materials colored with such pigment dyes, and to novel pigment dyes of formula (3), wherein R6 is hydrogen or bromine

Abstract: The cationic dyes of formula (1) specified in claim 1 are suitable especially for colouring keratin-containing fibres, more especially for colouring hair.

Abstract: The present invention relates to novel pigments of formula (1), wherein R1 is hydrogen or C1-C12alkyl, R2 is hydrogen, —CN, —COO-aryl, —COO-heteroaryl, —CONH-aryl or —CONH-heteroaryl, and R3 is the radical of a heteroaromatic compound of formula or R2 and R3 together form a radical of formula wherein R4, R5, R6 and R7 are defined herein and to a process for the preparation of those pigments, and to their use in the production of coloured plastics or polymeric colour particles.

Abstract: The cationic dyes of formula (1) specified in claim 1 are suitable especially for colouring keratin-containing fibres, more especially for colouring hair.

Abstract: The present invention relates to a method of mass-colouring synthetic materials, which comprises using at least one pigment dye of formula (1) wherein R and R1 together form a phenyl or heteroaryl radical and R2 is hydrogen, or R1 and R2 together form a phenyl or heteroaryl radical and R is hydrogen, and the rings A and B may each independently of the other be substituted by C1-C4?alkyl, C1-C4alkoxy, halogen, —COOR3, —CONHR4 and/or by —SR5, wherein R3, R4 and R5 are each independently of the others hydrogen, C1-C4alkyl, C6-C12aryl or heteroaryl, to synthetic materials coloured with such pigment dyes, and to novel pigment dyes of formula (3), wherein R6 is hydrogen or bromine.

Abstract: This invention relates to dyes of formula wherein R1 is hydrogen, halogen, C1-C8alkyl, —NH—CO—C1-C4alkyl or phenyl, R2 is hydrogen, halogen, C1-C8alkyl, C1-C8alkoxy, —NH—CO—C1-C4alkyl or phenyl, R3 is hydrogen, C1-C8alkyl or phenyl, R4 is hydrogen, halogen or C1-C8alkyl, and X is —CO—, — COO—or —SO2—, and n is the number 1 or 2, to their preparation and to their use for dyeing or printing natural and synthetic materials, in particular synthetic polyamide fibre materials.

Abstract: The present invention relates to a method for the trichromatic dyeing or printing of natural or synthetic polyamide fiber material, which method comprises using at least one blue-dyeing dye of formula wherein X, W, A, B, Q1, Q2 and z are as defined in claim 1 for formula (1), together with at least one red-dyeing dye of formula wherein R, R′, R5, R6, R7, R8 and X1 are as defined in claim 1 for formula (2), and together with at least one yellow- or orange-dyeing dye of formula or of formula wherein R, R′, X2, X3, R9, R10, R11, R12, R13, R14, R15 and R16 are as defined in claim 1 for formulae (3) and (4), and to new acid dyes.

Abstract: The present invention relates to new compounds which are useful as ultraviolet absorbing agents (UVAs) and to a method of improving the sun protection factor (SPF) of textile fibre material treated with the new compounds.

Abstract: There is disclosed a simple process for the preparation of hydroxyphenyl-1,3,5,-triazines of formula (1), which comprises reacting 1 mol of a salicyl compound of formula (2) with 2 (mol) of the benzamidine of formula (3). The novel triazines are useful AV absorbers for organic materials, in particular polyester fibre materials.

Abstract: A fabric bleaching composition comprising a peroxy compound and a specified manganese complex is disclosed, as well as a process for bleaching and/or cleaning a fabric by contacting it with said fabric bleaching composition.

Abstract: Process for dyeing natural or synthetic polyamide fibre materials, which comprises dyeing these fibre materials with at least one anionic acid dye of the formula ##STR1## and treating the fibre material mentioned, during or after the dyeing process, with a colourless fixing agent which contains sulfo or sulfato groups and contains at least two fibre-reactive groups, whereR.sub.1 and R.sub.2 independently of one another are hydrogen or substituted or unsubstituted C.sub.1 -C.sub.4 alkyl,X.sub.1 is substituted or unsubstituted C.sub.1 -C.sub.8 alkyl, C.sub.5 -C.sub.7 cycloalkyl, phenyl or naphthyl,or the radical of the formula --N(R.sub.2)--X.sub.1 is a ring, which may contain further heteroatoms,Y.sub.1 is a radical of the formula ##STR2## in which B.sub.1 is a colourless organic bridge member,R.sub.3 is hydrogen or substituted or unsubstituted C.sub.1 -C.sub.4 alkyl andR.sub.4 is hydrogen or substituted or unsubstituted C.sub.1 -C.sub.8 alkyl, C.sub.5 -C.sub.7 cycloalkyl, phenyl or naphthyl, andA.sub.