Abstract: The present invention relates to a dendrite elongation inhibitor for melanocytes consisting of a compound represented by the following general formula (1): and/or a salt thereof, wherein R1, R2, and R3 each independently represent a C1-4 alkyl group or hydrogen atom, and a skin preparation for external use comprising the dendrite elongation inhibitor for melanocytes as an active ingredient.

Abstract: A charge control agent comprises a monoazo metals-compound including a monoazo compound represented by the following formula [I]: and metals of a metallic element or a metalloid coordinating to the monoazo compound. A toner for developing an electrostatic image comprises: the charge control agent including the monoazo compound and metals of the metallic element or the metalloid coordinating to the monoazo compound, a resin for the toner and a colorant.

Abstract: Charge control agent comprising a metal complex salt compound of Formula (I) containing substantially no monoazo compound constituting the ligand thereof, toner containing the charge control agent, and process for manufacturing a metal complex salt compound of Formula (I), which comprises a metallizing reaction for metallizing a monoazo compound of Formula (II) with iron, nickel, aluminum, titanium or zirconium to produce a metal complex salt compound, in which metallizing reaction a monohydric or dihydric alcohol is used as a reaction-promoting solvent: R: alkyl (C4 to 12); Y: halogen or alkyl (C 1 to 5); p and q: number of monoazo compounds coordinated to the metal M; p: 1, 2, 3 or 4; q: 0, 1, 2 or 3; p+q: 1 to 6; L1 and L2 is —O—; one of L3 and L4 is —O—, while the other is an —OH group or an —O− ion; M is iron, nickel, aluminum, titanium or zirconium; (Mx+)m: m number of metals of atomic valence x; m: 1 to 4; x: 2 or more; Z−: the

Abstract: Monoazo metal complex compound containing composition, the incidence of skin sensitization in a skin sensitization potential test based on the maximization method of said composition being not more than 20% and method for producing said composition which comprises a step for removing impurity substances using an alcoholic organic solvent; charge control agent comprising said composition and toner containing said charge control agent; coloring agent containing said composition and colored thermoplastic resin composition containing said coloring agent.

Abstract: Charge control agent comprising a metal complex salt compound of Formula (I) containing substantially no monoazo compound constituting the ligand thereof, toner containing the charge control agent, and process for manufacturing a metal complex salt compound of Formula (I), which comprises a metallizing reaction for metallizing a monoazo compound of Formula (II) with iron, nickel, aluminum, titanium or zirconium to produce a metal complex salt compound, in which metallizing reaction a monohydric or dihydric alcohol is used as a reaction-promoting solvent: 1

Abstract: Charge control agent comprising a metal complex salt compound of Formula (I) containing substantially no monoazo compound constituting the ligand thereof, toner containing the charge control agent, and process for manufacturing a metal complex salt compound of Formula (I), which comprises a metallizing reaction for metallizing a monoazo compound of Formula (II) with iron, nickel, aluminum, titanium or zirconium to produce a metal complex salt compound, in which metallizing reaction a monohydric or dihydric alcohol is used as a reaction-promoting solvent: wherein the substituents are as defined in the disclosure.

Abstract: Monoazo metal complex compound containing composition, the incidence of skin sensitization in a skin sensitization potential test based on the maximization method of said composition being not more than 20% and method for producing said composition which comprises a step for removing impurity substances using an alcoholic organic solvent; charge control agent comprising said composition and toner containing said charge control agent; coloring agent containing said composition and colored thermoplastic resin composition containing said coloring agent.

Abstract: Charge control agent comprising a base particle containing at least a charge control substance, and a granulating agent, said base particle being granulated using said granulating agent, and said granulating agent being at least one selected from the group consisting of anionic surfactants, nonionic surfactants, cationic surfactants, natural water-soluble high molecular compounds and synthetic water-soluble high molecular compounds; manufacturing process thereof; and toner for developing electrostatic images containing the charge control agent for the purpose of charge control, and also containing a coloring agent and a resin.

Abstract: A compound for developing electrostatic latent images for use in a toner wherein the compound comprises an aluminum compound of aromatic o-aminocarboxylic acid, the aromatic o-aminocarboxylic acid being represented by the formula ##STR1## wherein Q is benzene nucleus which is optionally substituted with at least one nuclear substituent or naphthalene nucleus which is optionally substituted with at least one nuclear substituent, R is hydrogen, alkyl (C.sub.1 -C.sub.18), aryl(C.sub.1 -C.sub.18), aralkyl(C.sub.1 -C.sub.18), or --COR', wherein R' is alkyl(C.sub.1 -C.sub.8), aryl(C.sub.1 -C.sub.8), alkoxy (C.sub.1 -C.sub.8) or amino.

Abstract: A toner for developing electrostatic latent images which is characterized in that the toner comprises an aluminum compound of aromatic o-aminocarboxylic acid, the aromatic o-aminocarboxylic acid being represented by the formula ##STR1## wherein Q is benzene nucleus which is optionally substituted with at least one nuclear substituent or naphthalene nucleus which is optionally substituted with at least one nuclear substituent, R is hydrogen, alkyl (C.sub.1 -C.sub.18), aryl or nuclear substituted aryl (C.sub.6 -C.sub.18), aralkyl or nuclear substituted aralkyl (C.sub.7 -C.sub.18), or --COR', wherein R' is alkyl(C.sub.1 -C.sub.8), aryl(C.sub.6 -C.sub.8), alkoxy (C.sub.1 -C.sub.8) or amino.