US 7,541,129 B2
Electrostatic image developing toner
Mikio Koyama, Kunitachi (Japan); Kenji Hayashi, Hachioji (Japan); Kazuya Isobe, Hachioji (Japan); and Yasuharu Saita, Hachioji (Japan)
Assigned to Konica Minolta Business Machines Technologies, Inc., Tokyo (Japan)
Filed on Feb. 14, 2006, as Appl. No. 11/353,439.
Claims priority of application No. 2005-043798 (JP), filed on Feb. 21, 2005.
Prior Publication US 2006/0188802 A1, Aug. 24, 2006
Int. Cl. G03G 9/08 (2006.01)
U.S. Cl. 430—108.4  [430/110.1; 430/124.3] 17 Claims
 
1. An electrostatic image developing toner comprising a binder resin and a colorant, wherein the toner comprises a mixture of:
(i) a compound represented by Formula (3); and
(ii) at least one of the compounds represented by Formula (1) or (2):

OG Complex Work Unit Drawing
wherein, R1, R2 and R3 each independently represent an alkyl group having 10 to 30 carbon atoms and the alkyl group may have a substituent;

OG Complex Work Unit Drawing
wherein, R4 and R5 each independently represent an alkyl group having 10 to 30 carbon atoms and the alkyl group may have a substituent; and

OG Complex Work Unit Drawing
wherein, X represents H or —CO—R9, R9 represents an alkyl group having 1-4 carbon atoms, where the alkyl group may have a substituent, and R6, R7, and R8 each independently represent an alkyl group having 10 to 30 carbon atoms, where the alkyl group may have a substituent.