Patent ID: 8092964

Claim:
A toner comprising a resin and a colorant, wherein the colorant comprises a compound represented by formula (I) and a compound represented by formula (II): wherein M 1 is a metal atom selected from the group consisting of a silicon atom, a germanium atom and a tin atom; Z is a group represented by formula (III); and A 1 , A 2 , A 3 and A 4 are each independently an atomic group necessary to form a ring and selected from the group consisting of (1) to (29) which may be substituted by an electron-attractive group: wherein n is 0 or an integer of 1 or more; M 1 is a metal atom selected from the group consisting of a silicon atom, a germanium atom and a tin atom; Z 1 and Z 2 are each a group represented by formula (III); L is an oxygen atom or —O—Si(R) 2 —O— in which R is an alkyl group having 1 to 4 carbon atoms, a chlorine atom or a hydroxy group; A 1 , A 2 , A 3 and A 4 are each independently an atomic group necessary to form a ring and selected from the group consisting of (1) to (29) which may be substituted by an electron-attractive group; wherein R 1 , R 2 and R 3 are each an alkyl group having 1 to 22 carbon atoms, an aryl group having 6 to 18 carbon atoms, an alkoxy group having 1 to 22 carbon atoms or an aryloxy group having 6 to 18 carbon atoms, provided that R 1 , R 2 and R 3 may be the same or different;