Electrophotographic toner
AssigneeHodogaya Chemical Co., Ltd.
InventorsMitsutoshi Anzai, Yuji Matsuura, Osamu Mukudai, Miki Kanno, Kayoko Watanabe
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AssigneeHodogaya Chemical Co., Ltd.
InventorsMitsutoshi Anzai, Yuji Matsuura, Osamu Mukudai, Miki Kanno, Kayoko Watanabe
Estimating the term…
An electrophotographic toner containing a compound of the following formula (I): ##STR1## wherein each of X and Y which are independent of each other, is a hydrogen atom, ##STR2## (wherein each of A.sub.1 and A.sub.2 is a hydrogen atom or an electron attracting group, provided that A.sub.1 and A.sub.2 are not simultaneously hydrogen atoms, R.sub.1 is a hydrogen atom, a halogen atom, an alkyl group, a cycloalkyl group, an aralkyl group, an aryl group, an alkoxy group, a dialkylamino group, a diarylamino group, a diaralkylamino group or a hydroxyl group, and n is 0, 1 or 2, provided that when n is 2, the plurality of R.sub.1 may be the same or different), ##STR3## (wherein A.sub.3 is an electron attracting group, and R.sub.1 and n are as defined above), ##STR4## (wherein A.sub.3, R.sub.1 and n are as defined above), ##STR5## (wherein A.sub.3, R.sub.1 and n are as defined above) or ##STR6## (wherein A.sub.3 is as defined above, and each of R.sub.2 and R.sub.3 is a hydrogen atom, an alkyl group, a cycloalkyl group, an aralkyl group, an aryl group, an alkoxy group or a hydroxyl group), provided that X and Y are not simultaneously hydrogen atoms, and Z is a hydrogen atom, an alkyl group or an aryl group.
An electrophotographic toner containing a charge control agent of the following formula (I):
Dependencies are inferred from the claim text.