Abstract: The present invention relates to ink formulations based on silver nanoparticles. In particular, the present invention relates to ink formulations based on silver nanoparticles, said inks being stable, with improved conductivity and particularly suitable for the field of contactless inkjet printing.

Abstract: The present invention relates to thermoformable and/or stretchable ink formulations based on silver nanoparticles. In particular, the present invention relates to ink formulations based on silver nanoparticles, polyurethane and metal microparticles of silver, copper and/or nickel.

Abstract: The present invention relates to formulations of ink based on nanoparticles of silver and of metal oxides. In particular, the present invention relates to formulations of ink based on nanoparticles of silver and of metal oxides, said inks being stable, having improved conductivity and making it possible to advantageously form electrodes and/or conductive tracks that are particularly suitable for photovoltaic cells, for example on a silicon and/or glass substrate.

Abstract: The present invention relates to ink formulations based on silver nanoparticles. In particular, the present invention relates to ink formulations based on silver nanoparticles, said inks being stable, with improved conductivity and particularly suitable for the field of contactless inkjet printing.

Abstract: The present invention relates to a method for synthesizing tungsten oxide nanoparticles and to the tungsten oxide nanoparticles obtainable on the basis of the claimed synthesis method.

Abstract: Ink formulations based on nanoparticles. The present invention relates to ink formulations based on (semi)conducting nanoparticles. In particular, the present invention relates to ink compositions based on zinc oxide and aluminium (semiconducting nanoparticles suitable for different printing methods.

Abstract: Ink formulations based on nanoparticles. The present invention relates to ink formulations based on (semi)conducting nanoparticles. In particular, the present invention relates to ink compositions based on zinc oxide and aluminium (semiconducting nanoparticles suitable for different printing methods.

Abstract: The present invention relates to formulations of dispersions of silver nanoparticles and of inks based on said dispersions. In particular, the present invention relates to dispersions that are stable and have a high concentration of silver nanoparticles.

Abstract: Disclosed are dyes of formula wherein D is the radical of anthraquinone, acridine, azo, azomethine, hydrazomethine, benzodifuranone, coumarine, diketopyrrolopyrrol, dioxaxine, diphenylmethane, formazane, indigoid, indophenol, naphtalimide, naphthaquinone, nitroaryl, merocyanine, methine, oxazine, perinone, perylene, pyrenequinone, phtalocyanine, phenazine, quinoneimine, quinacridone, quinophtalone, stilbene, styryl, triphenylmethane, xanthene, thiazine dye and thioxanthene dye; and Q is defined herein.

Abstract: Disclosed are composition and method for dyeing keratin-containing fibers comprising or utilizing styryl sulfide dyes of formula (1), their salts, isomers, hydrates and other solvates, wherein R1, R?1, R2, R?2, R3, R?3, W1, W?1, W2, W?2, W3, W?3, W4, W?4, Q, Q?, Y1 and Y2 are defined in claims and disclosure.

Abstract: Disclosed are oligomeric cationic azo dyes of formula (1), their salts, isomers, hydrates and other solvates, wherein n, R1, R2, X, Y? and Z+ are defined in claims and disclosure. Furthermore, the present invention relates to novel cationic oligomeric azo dyes of formula (1), compositions, thereof, especially comprising other dyes, and to application for hair dyeing.

Abstract: Disclosed are thiol dyes of formula (1) wherein L1 is hydrogen; C1-C12alkyl; or phenyl-C1-C4alkyl; X is C1-C12alkylene, C2-C12alkenylene, C5-C10cycloalkylene, C5-C10arylene, or C5-C10arylene-C1-C10alkylene, which may by interrupted by —O—, —NH—, —S—, —CO—, o-SO2—; Y is the residue of an organic dye Z is a group of formula (1b) or —C?N; wherein A is O; S; or N-L2; B is L3; —OL3; —NL3L4; or —SL3; and L2, L3 and L4, independently from other are hydrogen; C1-C12alkyl; C5-C12aryl-C1-C12alkyl. The compounds are useful for the dyeing of organic materials, such as keratin fibers, preferably human hair.

Abstract: Disclosed is a method of dyeing keratin-containing fibers comprising treating the fiber with at least one compound of formula (1), wherein R1, R2, R3, R4 independently from each other are hydrogen; hydroxy; —S—H; —S—C1-C12alkyl; halogen; C1-C12alkyl or C1-C12alkoxy, which may be substituted by one or more C1-C5alkyl, C1-C5-alkoxy, hydroxy, —(CO)—H or —(CO)—C1-C5alkyl; —NR5R6; —NO2; —(CO)H or (CO)—C1-C5alkyl; C6-C12aryl, C6-C12aryl-C1-C4alkyl or C6-C12aryl-C1-C4alkoxy, wherein the aryl moiety may be substituted by one or more C1-C5alkyl, C1-C5alkoxy, —(CO)—H or —(CO)—C1-C5alkyl; R5 and R6 independently from each other are hydrogen; hydroxy; C1-C12alkyl; hydroxy-C1-C12alkyl; —(CO)—H; —(CO)—C1-C5alkyl; phenyl or phenyl-C1-C5alkyl, wherein the phenyl moiety may be substituted by one or more C1-C5alkyl, C1-C5alkoxy, halogen, —NH2, mono-C1-C5alkylamino, di-C1-C5alkylamino, —NO2, carboxy or hydroxy; and An is an anion.

Abstract: Disclosed are thiol dyes of formula (I), wherein R1, R2, R3, R4 and R5 independently from each other are hydrogen; unsubstituted or substituted, straight-chain or branched, monocyclic or polycyclic, interrupted or uninterrupted C1-C14alkyl; C2-C14alkenyl; C6-C10aryl; C6-C10aryl-C1-C10alkyl; or C5-C10alkyl(C5-C10aryl); A is a residue of an organic dye; and Y1 is the direct bond; C1C10alkylene; C5-C10cycloalkylene; C5-C12arylene; or C5-C12arylene-(C1-C10alkylene). The compounds are used to dye hair with or without reducing agents. Furthermore, the present invention relates to compositions comprising thiol dyes of formula (I) and to process for the preparation of theses compounds.

Abstract: Disclosed are compounds of formula (1a), wherein R1 is N+R8R9; R8 and/or R9 independently from each other are hydrogen; C1-C12alkyl; or phenyl-C1-C4-alkyl; or R8 and/or R9 are a bivalent C3-C6alkylene radical which is linked to the carbon atoms C1 or C2 respectively and, together with the linking nitrogen atom form a 6 to 16-membered carbocyclic ring; R2 is NR10R11; or OR10; R10 and R11, independently from each other are hydrogen; C1-C12alkyl; or phenyl-C1-C4alkyl; or R10 and/or R11 are a bivalent C3-C6alkylene radical which is linked to the carbon atoms C3 or C4 respectively and, together with the linking nitrogen or oxygen atom form a 6 to 16-membered carbocyclic ring; or R10 and R11 together with the linking nitrogen atom form a 4 to 8 membered carbocyclic ring; R3, R4, R5, R6 and R7 independently form each other are hydrogen; C1-C12alkyl; halogen; NR12R13; or a radical of formula (1a); R12 and R13 independently from each other are hydrogen; C1-C12alkyl; phenyl-C1-C4alkyl; or a radical of formula (1a2); V

Abstract: Disclosed are dyes of Formula (I) wherein D is the radical of anthraquinone, acridine, azo, azomethine, hydrazomethine, benzodifuranone, coumarine, diketopyrrolopyrrol, dioxaxine, diphenylmethane, formazane, indigoid, indophenol, naphtalimide, naphthaquinone, nitroaryl, merocyanine, methine, oxazine, perinone, perylene, pyrenequinone, phtalocyanine, phenazine, quinoneimine, quinacridone, quinophtalone, stilbene, styryl, triphenylmethane, xanthene, thiazine dye and thioxanthene dye; Q is C1-C30alkylene, —C2-C12alkenylene, C5-C10arylene-, C5-C10cycloalkylene- or —C1-C10alkylene(C5-C10arylene)- which may be interrupted and/or terminated at one or both ends by one or more than one —O—, —S—, —N?, —N(R1)—, SO2, —(CH2CH2-O) 1-5-, —(CH2CH2CH2—O) 1-5-, —C(O)—, —C(O)—C1-C12alkenylene, —C(O)O—, —OCO—, A N+R1R2, —CON(R1)—, —C(NR1R2)2—, —(R1)NC(O)—, —CSR1— or an optionally substituted, saturated or unsaturated, fused or non-fused aromatic or nonaromatic (hetero)cyclic) bivalent radical optionally comprising at least one h

Abstract: Disclosed are styryl sulfide dyes of formula (1), wherein R1, R?1, R2, R?2, R3 and R?3, independently from each other are hydrogen; C1-C20alkyl or C1-C20alkoxy, which may be substituted by one or more C1-C5alkoxy, halogen, —NH2, mono-C1-C5alkylamino, di-C1-C5alkylamino, —NO2 or hydroxy; C3-C6cycloalkyl; —C(O)H; —C(O)—C1-C5alkyl; halogen; NO2; OH; phenyl, which may be substituted by one or more C1-C5alkyl, C1-C5alkoxy, halogen, —NH2, mono-C1-C5alkylamino, di-C1-C5alkylamino, —NO2 or hydroxy; or a radical of formula —NR4R5, wherein R4 and R5 independently from each other are hydrogen; C1-C12alkyl, which may be substituted by one or more C1-C5alkyl, C1-C5-alkoxy, hydroxy or —(CO)—H; —(CO)—C1-C5alkyl; phenyl or phenyl-C1-C4alkyl, wherein the phenyl moiety may be substituted by one or more C1-C5alkyl, C1-C5alkoxy, halogen, —N2, mono-C1-C5alkylamino, di-C1-C5alkylamino, —NO2, carboxy or hydroxy; W1, W?1, W2, W?2, W3, W?3, W4 or W?4, independently from each other are —CH— or —N+—; wherein only one of W1/W?1, W2/W?2,

Abstract: Disclosed are thiol dyes of formula (1) wherein L1 is hydrogen; C1-C12alkyl; or phenyl-C1-C4alkyl; X is C1-C12alkylene, C2-C12alkenylene, C5-C10cycloalkylene, C5-C10arylene, or C5-C10arylene-C1-C10alkylene, which may by interrupted by —O—, —NH—, —S—, —CO—, o-SO2—; Y is the residue of an organic dye Z is a group of formula (1b) or —C?N; wherein A is O; S; or N-L2; B is L3; —OL3; —NL3L4; or —SL3; and L2, L3 and L4, independently from other are hydrogen; C1-C12alkyl; C5-C12aryl-C1-C12alkyl. The compounds are useful for the dyeing of organic materials, such as keratin fibers, preferably human hair.

Abstract: Disclosed are thiol dyes of formula (1), wherein R1, R2, R3, R4 and R5 independently from each other are hydrogen; unsubstituted or substituted, straight-chain or branched, monocyclic or polycyclic, interrupted or uninterrupted C1-C14alkyl; C2-C14alkenyl; C6-C10aryl; C6-C10aryl-C1-C10alkyl; or C5-C10alkyl(C5-C10aryl); A is a residue of an organic dye; and Y1 is the direct bond; C1-C10alkylene; C5-C10cycloalkylene; C5-C12arylene; or C5-C12arylene-(C1-C10alkylene). The compounds are used to dye hair with or without reducing agents. Furthermore, the present invention relates to compositions comprising thiol dyes of formula (1) and to process for the preparation of theses compounds.

Abstract: Disclosed is a method of dyeing keratin-containing fibers comprising treating the fiber with at least one compound of formula (1), wherein R1, R2, R3, R4 independently from each other are hydrogen; hydroxy; —S—H; —S—C1-C12alkyl; halogen; C1-C12alkyl or C1-C12alkoxy, which may be substituted by one or more C1-C5alkyl, C1-C5-alkoxy, hydroxy, —(CO)—H or —(CO)—C1-C5alkyl; —NR5R6; —NO2; —(CO)H or (CO)—C1-C5alkyl; C6-C12aryl, C6-C12aryl-C1-C4alkyl or C6-C12aryl-C1-C4alkoxy, wherein the aryl moiety may be substituted by one or more C1-C5alkyl, C1-C5alkoxy, —(CO)—H or —(CO)—C1-C5alkyl; R5 and R6 independently from each other are hydrogen; hydroxy; C1-C12alkyl; hydroxy-C1-C12alkyl; —(CO)—H; —(CO)—C1-C5alkyl; phenyl or phenyl-C1-C5alkyl, wherein the phenyl moiety may be substituted by one or more C1-C5alkyl, C1-C5alkoxy, halogen, —NH2, mono-C1-C5alkylamino, di-C1-C5alkylamino, —NO2, carboxy or hydroxy; and An is an anion.