Abstract: Charge control agent and toner for developing electrostatic images containing said charge control agent. The active ingredient of the charge control agent is a metal compound obtainable by reacting one or two or more molecules of a compound having a phenolic hydroxy group and one or two or more molecules of a metal alkoxide.

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: 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 and toner for developing electrostatic images containing said charge control agent. The active ingredient of the charge control agent is a metal compound obtainable by reacting one or two or more molecules of a compound having a phenolic hydroxy group and one or two or more molecules of a metal alkoxide.

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: Charge control agent and toner for developing electrostatic images containing said charge control agent. The active ingredient of the charge control agent is a metal compound obtainable by reacting one or two or more molecules of a compound having a phenolic hydroxy group and one or two or more molecules of a metal alkoxide.

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: Charge control agent comprising a metal complex salt compound having a monoazo compound as a ligand, wherein the metal complex salt compound is amorphous, and which is excellent in charge control properties, heat resistance and light fastness, good in dispersibility in, and wettability with, toner resins, hardly damages the photoreceptor when used in a toner, and is unlikely to drop from toner particles during charging; process for manufacturing the charge control agent, comprising subjecting a crystalline metal complex salt compound having a monoazo compound as a ligand to wet milling in an organic solvent, or dissolving the crystalline metal complex salt compound in an organic solvent, and subsequently re-dispersing it in water; and toner for developing electrostatic images comprising said charge control agent, a toner resin, and a coloring agent, and method of use thereof.

Abstract: Monoazo metal compound of formula [I] which is excellent in charge control or charge-enhancing property, and toner for developing electrostatic images and powdery paint for electrostatic painting incorporating thereof:D.sub.3 (Met).sub.2 [I]D is a ligand based on a monoazo compound of formula [II] or [III], Met is a metal atom, and the 3 molecules of D are coordinated to the 2 atoms of Met: ##STR1## R.sup.1 -R.sup.10, and R.sup.21 -R.sup.28 are each H, halogen, nitro, alkyl or haloalkyl, aryl, aralkyl, --SO.sub.2 N(R.sup.11).sub.2 (R.sup.11 is H, alkyl, aryl, aralkyl), --N(R.sup.12).sub.2 (R.sup.12 is H, lower alkyl, aryl, aralkyl, acyl), --CONH(R.sup.13) (R.sup.13 is H, a lower alkyl, aryl, aralkyl); 2 or more of R.sup.1 -R.sup.10 and/or R.sup.21 -R.sup.28 may bind together to form an aromatic or aliphatic ring.

Abstract: Metal compound of formula [I] which is excellent in charge control or charge-enhancing property, and toner for developing electrostatic images and powdery paint for electrostatic painting incorporating thereof: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently represent a hydrogen, a linear or branched alkyl group, or a linear or branched unsaturated alkyl group; R.sup.1 and R.sup.2, R.sup.2 and R.sup.3, and R.sup.3 and R.sup.4 may bind together to form an aromatic or aliphatic ring which may have one or more substituents of a linear or branched alkyl group, or a linear or branched unsaturated alkyl group; M represents a metal; m represents an integer of 3 or more; n represents an integer of 2 or more.

Abstract: Metal compound of formula [I] which is excellent in charge control or charge-enhancing property, and toner for developing electrostatic images and powdery paint for electrostatic painting incorporating thereof: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently represent a hydrogen, a linear or branched alkyl group, or a linear or branched unsaturated alkyl group; R.sup.1 and R.sup.2, R.sup.2 and R.sup.3, and R.sup.3 and R.sup.4 may bind together to form an aromatic or aliphatic ring which may have one or more substituents of a linear or branched alkyl group, or a linear or branched unsaturated alkyl group; M represents a metal; m represents an integer of 3 or more; n represents an integer of 2 or more.

Abstract: Charge control agent and toner for developing electrostatic images comprising such a charge control agent whose active ingredient is a calix (n) arene compound of formula I: ##STR1## wherein x+y=n; x and y each is an integer of 1 or more; n is an integer of 4-8; the x repeat units and y repeat units can be arranged in any order; R.sup.1 and R.sup.2 each is H, C.sub.1-12 alkyl, C.sub.2-12 alkenyl, C.sub.7-12 aralkyl, phenyl, C.sub.4-8 cycloalkyl, halogen, nitro, amino, alkyl- or phenyl-substituted amino, --Si(CH.sub.3).sub.3, or --SO.sub.3 H; and of the n R radicals in the --OR groups, 1 to (n-1) are H, with the remaining (n-1) to 1 being alkyl, alkenyl, phenyl, aralkyl, cycloalkyl, --COR.sup.3 ?wherein R.sup.3 is H, alkyl, alkenyl, phenyl, aralkyl, or cycloalkyl!, --Si(CH.sub.3).sub.3, --(CH.sub.2).sub.m COOR.sup.4 ?wherein R.sup.4 is H or lower alkyl and m is an integer of 1-3!, --(CH.sub.2 CH.sub.2 O).sub.

Abstract: Monoazo metal compound of formula ?I! which is excellent in charge control or charge-enhancing property, and toner for developing electrostatic images and powdery paint for electrostatic painting incorporating thereof:D.sub.3 (Met).sub.2 ?I!D is a ligand based on a monoazo compound of formula ?II! or ?III!, Met is a metal atom, and the 3 molecules of D are coordinated to the 2 atoms of Met: ##STR1## R.sup.1 -R.sup.10 and R.sup.21 -R.sup.28 are each H, halogen, nitro, alkyl or haloalkyl, aryl, aralkyl, --SO.sub.2 N(R.sup.11).sub.2 (R.sup.11 is H, alkyl, aryl, aralkyl), --N(R.sup.12).sub.2 (R.sup.12 is H, lower alkyl, aryl, aralkyl, acyl), --CONH(R.sup.13) (R.sup.13 is H, a lower alkyl, aryl, aralkyl); 2 or more of R.sup.1 -R.sup.10 and/or R.sup.21 -R.sup.28 may bind together to form an aromatic or aliphatic ring.

Abstract: Toner for developing electrostatic images that comprises a binder resin, a coloring agent and a calixarene compound as a charge control agent, wherein some of the phenolic OH groups of said calixarene compound are metallized with alkali metal or alkaline earth metal.

Abstract: A negative charge control agent whose active ingredient is an organic silicon complex compound represented by the following formula [I]: ##STR1## wherein R.sup.1 and R.sup.2 independently represent hydrogen; or a substituted or unsubstituted alkyl group, cycloalkyl group, aryl group or aralkyl group,R.sup.3 represents hydrogen or a substituted or unsubstituted alkyl group, cycloalkyl group, aryl group or aralkyl group,X.sup.+ represents an inorganic or organic cation,at least one of R.sup.1 and R.sup.2 is a substituted or unsubstituted aryl group is usable in a toner for developing an electrostatic image that also contains a coloring agent and a resin.

Abstract: A positive charge control agent whose active ingredient is a complex salt compound of the amine derivative represented by the following formula 1!: ##STR1## wherein X.sup.a, X.sup.1, X.sup.2 and X.sup.3 independently represent --O-- or --S--;L.sup.1 represents a divalent group selected from the group consisting of alkylene groups having 1 to 4 carbon atoms which are branched or not branched, cycloalkylene groups, and monocyclic or polycyclic arylene groups which have or do not have a substituent;A.sup.1, A.sup.2 and A.sup.3 independently represent hydrogen, an alkyl group, a cycloalkyl group, an aralkyl group, a monocyclic or polycyclic aryl group which has or does not have a substituent or a residue of a nitrogen-containing heterocyclic compound having an --OH group or an --SH group;p represents an integer from 1 to 4;q represents an integer from 0 to 20;K1.multidot.

Abstract: Chargeable resin powder, toner for developing electrostatic images and powder coating for electrostatic painting comprising at least a thermosetting resin or a thermoplastic resin, and a charge control agent or a charge enhancer, wherein a host-guest compound formed from a combination of a host compound and a guest compound is contained as a charge control agent or charge enhancer which controls or enhances resin powder charging.

Abstract: A toner for developing electrostatic images contains at least one complex salt compound obtained by treating with an alkali metal salt, alkaline earth metal salt, alkali metal hydroxide, alkaline earth metal hydroxide, ammonium salt or pyridinium salt, an ether linkage group containing compound of the formulaA.sup.1 --X--[(--L--X--).sub.m --(--Ar--X--).sub.n ]--A.sup.2[I]wherein(--L--X--) represents an oxyalkylene group or a thioarylene group,(--Ar--X--) represents an oxyarylene group or a thioarylene group,[(--L--X--).sub.m --(--Ar--X--).sub.

Abstract: A charge control agent for positive charging whose active ingredient is a salt-forming compound represented by the following formula and a positively chargeable toner for developing electrostatic images comprising at least one kind of the charge control agent, a coloring agent and a resin. ##STR1## wherein X represents an alkyl group, a cycloalkyl group, a substituted or unsubstituted phenyl group, or --COR.sup.5 in which R.sup.5 is a lower alkyl group; Z represents a hydrogen, a hydroxyl group or an alkyl group; R.sup.1 and R.sup.3 independently represent an alkyl group having 1 to 18 carbon atoms or a benzyl group; R.sup.2 represents an alkyl group having 5 to 18 carbon atoms; and R.sup.4 represents an alkyl group having 1 to 4 carbon atoms or a benzyl group.