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Title:
DISPERSING AGENT, METHOD FOR PRODUCING SAME, AND PIGMENT DISPERSION AND INK CONTAINING SUCH DISPERSING AGENT
Document Type and Number:
WIPO Patent Application WO/2007/007685
Kind Code:
A1
Abstract:
Disclosed is a dispersing agent represented by the following general formula (1). Regarding A1-A4, two of them respectively represent a monovalent polymer moiety (P) and the other two respectively represent -C(=O)OH or -CH2C(=O)OH; one of them represents a monovalent polymer moiety (P) and the other three respectively represent -C(=O)OH or -CH2C(=O)OH; or one of them represents a monovalent polymer moiety (P), two of the other three respectively represent -C(=O)OH or -CH2C(=O)OH and the other one represents -C(=O)-Xa-Ra. X1 represents a tetravalent group represented by the following general formula (2), (3) or (4).

Inventors:
ARIYOSHI YASUSHI (JP)
MIKAMI JOJI (JP)
TACHIBANA TOMOKO (JP)
TAKABATAKE YOSHIKO (JP)
HIROSHIMA TSUTOMU (JP)
CHOSOKABE HIROSHI (JP)
OGURA MAYUMI (JP)
IKEGAMI TOMONORI (JP)
YOSHIZAWA TOSHIHARU (JP)
Application Number:
PCT/JP2006/313605
Publication Date:
January 18, 2007
Filing Date:
July 07, 2006
Export Citation:
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Assignee:
TOYO INK MFG CO (JP)
ARIYOSHI YASUSHI (JP)
MIKAMI JOJI (JP)
TACHIBANA TOMOKO (JP)
TAKABATAKE YOSHIKO (JP)
HIROSHIMA TSUTOMU (JP)
CHOSOKABE HIROSHI (JP)
OGURA MAYUMI (JP)
IKEGAMI TOMONORI (JP)
YOSHIZAWA TOSHIHARU (JP)
International Classes:
C09K23/52; C09D17/00
Foreign References:
JPH01141968A1989-06-02
JP2000327946A2000-11-28
JPH09157538A1997-06-17
Attorney, Agent or Firm:
MORITA, Kenichi (Itabashi-chuo Bldg. 67-8, Itabashi 2-chom, Itabashi-ku Tokyo04, JP)
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