Abstract: The present invention provides a two-photon light-emitting compound represented by formula (1), an optical data recording medium comprising a compound represented by formula (1), a two-photon polymerizable composition comprising a polymerizable monomer or polymerizable oligomer and at least compound represented by formula (1), and a photopolymerization process: X2—(—CR4?CR3—)m—C(?O)—(—CR1?CR2—)n—X1??(1) wherein X1 and X2 may be the same or different and each represent a substituted or unsubstituted aryl group or a substituted or unsubstituted heterocyclic group; R1, R2, R3 and R4 each independently represent a hydrogen atom or substituent; some of R1, R2, R3 and R4 may be connected to each other to form at least one ring; and n and m each independently represent an integer of from 1 to 4, with the proviso that when n and m are 2 or more, the plurality of R1's, R2's, R3's, and R4's each may be the same or different.

Abstract: Quinophthalone compound of Formula (1) or (2), mixed colorant, laser ray transmitting colored resin composition containing thereof, and laser-welded product.

Abstract: Disclosed herein are dissymmetrical cationic diazo compounds comprising a 2-pyridinium group and a cationic or non-cationic linker. Also disclosed herein are dyeing compositions comprising such compounds as a direct dye in a medium appropriate for the dyeing of keratin fibers, a method for coloring keratin fibers comprising contacting the keratin fibers with such dyeing compositions, and a device comprising a plurality of compartments.

Abstract: Disclosed herein are symmetrical cationic diazo compounds chosen from compounds of formula (I), their resonance forms, their acid addition salts, and their solvates: Also disclosed herein are dyeing compositions comprising such compounds as a direct dye in a medium appropriate for the dyeing of keratin fibers, a method of coloring keratin fibers comprising contacting the keratin fibers with such compositions, and a device comprising a plurality of compartments.

Abstract: A composition for dyeing keratin fibers, such as human keratin fibers, and further such as the hair, comprising at least one dye chosen from heteroylmethane type direct dyes, such as triheteroylmethane direct dyes and leuco precursors of such dyes, as defined herein. A method that uses the composition for dyeing keratin fibers, such as human keratin fibers, and further such as the hair, and a kit or device containing same.

Abstract: The present invention relates to hair colouring and bleaching compositions comprising i) at least one source of peroxymonocarbonate ions, ii) at least one alkalizing agent, preferably a source of ammonium ions, and iii) at least one radical scavenger, wherein said composition has a pH of up to 9.5, which provide a high level of lift and lightening and the required dye deposition and grey coverage whilst reducing the concentration of peroxide, the ammonia odour and reducing the hair fibre damage.

Abstract: The present invention relates to the use, for dyeing keratin fibres, of at least one specific compound containing active methylene and of at least one compound chosen from an aldehyde, a ketone, a quinone and a diiminoisoindoline or 3-aminoisoindolone derivative, which makes it possible to obtain, by reaction without an oxidizing agent, a coloration of the said keratin fibres.

Abstract: A hair coloring composition suitable for capillary flow and application by means of a wick applicator communicating to a reservoir of coloring solution. The composition contains one or more hair substantive direct dyes, a polymeric ruboff shield, and a controlled viscosity to be free flowing yet not drip or cause build-up on the hair.

Abstract: A process for dyeing keratin-containing fibers, comprises treating said fibers with a tinctorially effective amount of a dye of the formula ##STR1## where D is the radical of a diazo component of the formula ##STR2## R.sub.1 is an unsubstituted C.sub.1 -C.sub.4 alkyl, or C.sub.1 -C.sub.4 alkyl substituted with OH, C.sub.1 -C.sub.4 alkoxy, halogen, CN, amino, C.sub.1 -C.sub.4 monoalkylamino, or di-C.sub.1 -C.sub.4 alkylamino, R.sub.2 and R.sub.3 are independently of each other hydrogen, an unsubstituted C.sub.1 -C.sub.4 alkyl, or C.sub.1 -C.sub.4 alkyl substituted with OH, C.sub.1 -C.sub.4 alkoxy, halogen, CN, amino, C.sub.1 -C.sub.4 monoalkylamino, or di-C.sub.1 -C.sub.4 alkylamino, or R.sub.3 and R.sub.2, together with the nitrogen and carbon atoms joining them together form a 5- or 6-membered ring, R.sub.5 is hydrogen, C.sub.1 -C.sub.4 alkoxy, halogen, C.sub.1 -C.sub.4 alkyl or C.sub.1 -Calkylcarbonylamino, or R.sub.5 and R.sub.

Abstract: Dyestuffs of the formula (I) ##STR1## wherein Z represents SO.sub.2 or CO,A represents optionally substituted alkyl or aryl andp denotes 1 or 2,which are particularly suitable for the bulk dyeing of plastics, in particular thermoplastics, have been found.

Abstract: The present invention relates to a composition for the oxidation dyeing of keratin fibers, in particular human keratin fibers such as the hair, comprising at least one diaminopyrazole derivative as oxidation base in combination with at least one suitably selected heterocyclic coupler, and to the dyeing process using this composition with an oxidizing agent.

Abstract: The present invention relates to a composition for the oxidation dyeing of keratin fibers, in particular human keratin fibers such as the hair, comprising an oxidation base in combination with at least one suitably selected indole coupler and at least one additional heterocyclic coupler which is also suitably selected, as well as to the dyeing process using this composition with an oxidizing agent.

Abstract: Dyestuffs of the formula (I) ##STR1## wherein n denotes 1 or 2,T denotes O or N--R.sub.0, whereinR.sub.0 denotes H, alkyl, aryl or acyl or, together with R.sub.2 or R.sub.3, forms a 5- to 7-membered ring,R.sub.1 if n=1, denotes aryl, hetaryl or heterocyclylidenemethyl andif n=2, denotes a direct bond or arylene andR.sub.2 and R.sub.3 are independent or cyclic radicals having the meanings given in the description,are employed for bulk dyeing of plastics, preferably thermoplastics.

Abstract: Disclosed is a treated material including a base material such as an extrudate, a woven fabric, or unwoven fibers, a disperse dye-type molecule such as a dye or antibiotic dispersed within and non-covalently adhered to the base material, and a molecule-of-interest immobilized on the base material by way of a reactive group on the disperse dye-type molecule. Also disclosed are methods of producing the treated material.

Abstract: A process for dyeing cellulose fibres or cellulose-containing blend fibres with vat dyes, sulfur dyes, leuco vat ester dyes or azoic dyes by the pad dyeing process without incurring ending, in which an aqueous dyeing liquor is used which, aside from the dye, contains a colorless compound of the formula ##STR1## or of the formula ##STR2## where Q is ##STR3## or .dbd.N--, Y is hydrogen, halogen, cyano, C.sub.1 -C.sub.5 alkyl or C.sub.1 -C.sub.5 alkylsulfonyl,V and W, independently of each other, are each R.sub.2 --X.sub.2 --, R.sub.3 --X.sub.3 --, hydroxyl C.sub.1 --C.sub.5 alkoxy or an unsubstituted or C.sub.1 --C.sub.5 alkyl-- or C.sub.5 --C.sub.6 cycloalkyl-monosubstituted or --disubstituted amino group, the alkyl radical being unsubstituted or substituted by hydroxyl, cyano, sulfo or sulfato,R.sub.1, R.sub.2 and R.sub.3, independently of one another, are each an aromatic or heteroaromatic radical,X.sub.1, X.sub.2 and X.sub.

Abstract: There are described novel cationic quinophthalone compounds of the formula I ##STR1## wherein the symbols have the meanings defined in claim 1, and also processes for producing them. These novel quinophthalone compounds can be used in particular as dyes for dyeing and printing paper, greenish-yellow dyeings having good fastness to water and to light being obtained.