Title:
NEGATIVE CHARGE CONTROLLING AGENT AND STATIC CHARGE IMAGE DEVELOPING TONER USING THE SAME, AND METHOD FOR PRODUCING THE SAME
Document Type and Number:
WIPO Patent Application WO2004066030
Kind Code:
A3
Abstract:
A negative charge controlling agent which comprises a polycondensation product formed by the polycondensation of a phenol and an aldehyde, wherein the phenol comprises a mononuclear phenol compound having one phenolic hydroxyl group and hydrogen atoms bonded to the ortho-position to the hydroxyl group and a polynuclear phenol compound having two or more phenolic hydroxyl groups and hydrogen atoms bonded to the ortho-position to the hydroxyl groups, and wherein the polynuclear phenol compound accounts for 1 to 30 mol % of the phenol.
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Inventors:
ISHIMOTO TAKAYUKI (JP)
KUKIMOTO YUTAKA (JP)
YATABE SHINJI (JP)
KUKIMOTO YUTAKA (JP)
YATABE SHINJI (JP)
Application Number:
PCT/JP2004/000495
Publication Date:
October 07, 2004
Filing Date:
January 21, 2004
Export Citation:
Assignee:
FUJIKURA KASEI KK (JP)
ISHIMOTO TAKAYUKI (JP)
KUKIMOTO YUTAKA (JP)
YATABE SHINJI (JP)
ISHIMOTO TAKAYUKI (JP)
KUKIMOTO YUTAKA (JP)
YATABE SHINJI (JP)
International Classes:
G03G9/087; (IPC1-7): G03G9/097; C09K3/16
Foreign References:
JPH10104881A | 1998-04-24 | |||
JPH10228134A | 1998-08-25 | |||
JPH04139456A | 1992-05-13 | |||
JPH11311879A | 1999-11-09 | |||
JP2000162825A | 2000-06-16 |
Other References:
See also references of EP 1589380A4
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