Compositions: coating or plastic – Coating or plastic compositions – Marking
Reexamination Certificate
2008-12-16
2011-10-25
Zimmer, Marc (Department: 1766)
Compositions: coating or plastic
Coating or plastic compositions
Marking
C427S256000, C526S303100, C526S304000, C106S031600, C106S031850, C106S031890
Reexamination Certificate
active
08043423
ABSTRACT:
A pigment dispersion liquid capable of stably recording images having high fastness and excellent quality for a long term in any cases has been provided. A pigment dispersion liquid mainly containing a polymer dispersant, a pigment and water, wherein the polymer dispersant is a copolymer comprised of at least a hydrophobic unit and a hydrophilic unit, the hydrophobic unit has a block portion comprised of at least one hydrophobic monomer, the hydrophilic unit has at least a repeating unit structure of an acrylamide structure of the following general formula (1), and the segment number (A) of the block portion comprised of a hydrophobic monomer to the number (B) of all segments of the polymer dispersant is in a range of 0.07 to 0.85 in terms of A/B ratio.
REFERENCES:
patent: 4639491 (1987-01-01), Kondo et al.
patent: 5082496 (1992-01-01), Yamamoto et al.
patent: 5085698 (1992-02-01), Ma et al.
patent: 5127946 (1992-07-01), Eida et al.
patent: 5178671 (1993-01-01), Yamamoto et al.
patent: 5221334 (1993-06-01), Ma et al.
patent: 5258505 (1993-11-01), Eida et al.
patent: 5272201 (1993-12-01), Ma et al.
patent: 5540764 (1996-07-01), Haruta et al.
patent: 6426766 (2002-07-01), Shirota et al.
patent: 7446135 (2008-11-01), Ham et al.
patent: 2006/0281853 (2006-12-01), Yamagishi et al.
patent: 2010/0021635 (2010-01-01), Ookawa et al.
patent: 4-227668 (1992-08-01), None
patent: 5-179183 (1993-07-01), None
patent: 2005-177756 (2005-07-01), None
patent: 2006-282760 (2006-10-01), None
Chizuwa Junko
Ookawa Takayuki
Ueno Suzuka
Yamamoto Tomoya
Canon Finetech Inc.
Fitzpatrick ,Cella, Harper & Scinto
Nelson Lindsay
Zimmer Marc
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