Pigment dispersion and ink composition using the same

Details Pigment dispersion and ink composition using the same Pigment dispersion and ink composition using the same

2009-07-31

2011-10-18

Wu, David W (Department: 1762)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C524S612000, C523S160000, C523S161000

Reexamination Certificate

active

08039542

ABSTRACT:
Disclosed is a pigment dispersion containing a polymer compound having a partial structure represented by the following formula (1) at a terminal end of a main chain of the polymer compound, and a pigment. In formula (1), R1and R2each independently represent a hydrogen atom or a monovalent substituent; R1and R2may form a ring by bonding with each other; and * represents a position that is directly or indirectly bonded to the main chain structure of the compound.

REFERENCES:
patent: 2008/0187679 (2008-08-01), Sato et al.
patent: 2003-119414 (2003-04-01), None
patent: 2003-321628 (2003-11-01), None
patent: 2004-18656 (2004-01-01), None
patent: 2004-131589 (2004-04-01), None
patent: 2007-277514 (2007-10-01), None
patent: WO 2007006638 (2007-01-01), None
patent: WO 2007006639 (2007-01-01), None
Machine Translation of JP 2008-222843 A (Sep. 25, 2008).
Machine Translation of JP 2007-131787 A (May 31, 2007).

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