| (19) |
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(11) |
EP 1 705 525 A8 |
| (12) |
CORRECTED EUROPEAN PATENT APPLICATION |
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published in accordance with Art. 158(3) EPC |
| (15) |
Correction information: |
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Corrected version no 1 (W1 A1) |
| (48) |
Corrigendum issued on: |
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06.12.2006 Bulletin 2006/49 |
| (43) |
Date of publication: |
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27.09.2006 Bulletin 2006/39 |
| (22) |
Date of filing: 26.12.2003 |
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| (51) |
International Patent Classification (IPC):
|
| (86) |
International application number: |
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PCT/JP2003/016898 |
| (87) |
International publication number: |
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WO 2005/066719 (21.07.2005 Gazette 2005/29) |
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| (84) |
Designated Contracting States: |
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CH DE FR GB LI |
| (71) |
Applicant: ORIENT CHEMICAL INDUSTRIES, LTD. |
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Osaka-shi,
Osaka 535-0022 (JP) |
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| (72) |
Inventors: |
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- YAMATE, Osamu
Neyagawa-shi,
Osaka 572-8581 (JP)
- YUSHINA, Heihachi
Neyagawa-shi,
Osaka 572-8581 (JP)
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| (74) |
Representative: Jönsson, Hans-Peter |
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Patentanwälte
von Kreisler Selting Werner,
Bahnhofsvorplatz 1 (Deichmannhaus am Dom)
50667 Köln
50667 Köln (DE) |
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| (54) |
POSITIVE ELECTROSTATIC CHARGE CONTROL AGENT AND TONER FOR DEVELOPING ELECTROSTATIC
IMAGE |
(57) A positive electrified charge control agent comprises a silicon complex compound
bonding with covalent of a central silicon atom and oxygen originated from a hydroxyl
group, which bonds to an organic group, and bonding with coordination of the central
silicon atom and a carbonyl group of equivalent to the oxygen,
the silicon complex compound comprises a trivalent to univalent cation and a trivalent
to univalent anion having 1 to 3 equivalents of the oxygen and the carbonyl group
to the central silicon atom.