The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 18, 2013
Filed:
Jan. 07, 2011
Toshihito Kuge, Shizuoka-ken, JP;
Nobuo Seto, Shizuoka-ken, JP;
Masahiro Higashi, Shizuoka-ken, JP;
Keiichi Tateishi, Shizuoka-ken, JP;
Hideki Takakuwa, Shizuoka-ken, JP;
Kaoru Aoyagi, Shizuoka-ken, JP;
Hiroshi Taguchi, Shizuoka-ken, JP;
Toshihito Kuge, Shizuoka-ken, JP;
Nobuo Seto, Shizuoka-ken, JP;
Masahiro Higashi, Shizuoka-ken, JP;
Keiichi Tateishi, Shizuoka-ken, JP;
Hideki Takakuwa, Shizuoka-ken, JP;
Kaoru Aoyagi, Shizuoka-ken, JP;
Hiroshi Taguchi, Shizuoka-ken, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
The invention provides a pigment dispersion composition including an azo pigment represented by formula (1), in which the azo pigment represented by formula (1) does not have an ionic hydrophilic group, an azo pigment derivative and a dispersant. In formula (1), G represents a hydrogen atom, an aliphatic group, an aryl group or a heterocyclic group; Rrepresents an amino group, an aliphatic oxy group, an aliphatic group, an aryl group or a heterocyclic group; Rrepresents a substituent; A represents a heterocyclic group; m represents an integer of 0 to 5; and n represents an integer of 1 to 4, wherein: when n=2, the azo pigment is a dimer formed via R, R, A or G; when n=3, the azo pigment is a a trimer formed via R, R, A or G; and when n=4, the azo pigment is a tetramer formed via R, R, A or G.