CHARGE CONTROL AGENT AND TONER USING SAME

WIPO Patent Application WO/2012/073756

A1

The present invention provides a positive electrostatic charge control agent which contains, as active ingredients, one or more rhodanine compounds that are represented by general formula (1). (In the formula, R1 represents a hydrogen atom or the like; R2 represents a hydrogen atom or the like; R3-R7 may be the same as or different from each other, and each represents a hydrogen atom, a cyano group, a trifluoromethyl group, a nitro group, an optionally substituted linear or branched alkyl group having 1-8 carbon atoms, or the like; the R2-R7 moieties may combine together to form a ring; and V, W, X, Y and Z each represents a carbon atom or a nitrogen atom, with zero to three moieties among the V, W, X, Y and Z moieties being nitrogen atoms which do not have any substituent of the R3-R7 moieties. In this connection, at least one moiety among the R3-R7 moieties represents a cyano group, a nitro group or a linear or branched alkyl group having 1-4 carbon atoms, said linear or branched alkyl group being substituted by three or more fluorine atoms.)

YASUMURA MASATERU (JP)
ITO MASAMI (JP)
KIMURA IKUO (JP)
TOJOU MASAYA (JP)
HIRAISHI KANAE (JP)
OKUBO MASAKI (JP)

PCT/JP2011/076901

June 07, 2012

November 22, 2011

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HODOGAYA CHEMICAL CO LTD (JP)
YASUMURA MASATERU (JP)
ITO MASAMI (JP)
KIMURA IKUO (JP)
TOJOU MASAYA (JP)
HIRAISHI KANAE (JP)
OKUBO MASAKI (JP)

G03G9/097; G03G9/087; C07D277/20; C07D277/36

JPH01147475A	1989-06-09
JPH01147468A	1989-06-09

None

HASEGAWA Yoshiki et al. (JP)
Yoshiki Hasegawa (JP)

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