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. 04, 2013
Filed:
Jan. 14, 2011
Masahiro Higashi, Shizuoka, JP;
Nobuo Seto, Shizuoka, JP;
Yoshihiro Jimbo, Shizuoka, JP;
Keiichi Tateishi, Kanagawa, JP;
Masahiro Higashi, Shizuoka, JP;
Nobuo Seto, Shizuoka, JP;
Yoshihiro Jimbo, Shizuoka, JP;
Keiichi Tateishi, Kanagawa, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
To provide a process for producing an azo pigment showing excellent coloring characteristics such as tinctorial strength and hue and showing excellent fastness such as light fastness and ozone fastness, an azo pigment dispersion, a coloring composition, and an ink for inkjet recording. process for producing, for example, an azo pigment represented by the general formula (9), which includes a step of preparing a solution containing a compound represented by the following general formula (7) and an acid, and a step of bringing the solution in contact with a diazonium salt (8) derived from a heterocyclic amine,