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.:

US 7186292 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 06, 2007

Filed:

Jan. 07, 2004
Applicants:

Yoshiharu Yabuki, Kanagawa, JP;

Tomohiro Chino, Kanagawa, JP;

Toshiki Fujiwara, Kanagawa, JP;

Inventors:

Yoshiharu Yabuki, Kanagawa, JP;

Tomohiro Chino, Kanagawa, JP;

Toshiki Fujiwara, Kanagawa, JP;

Assignee:

Fuji Photo Film Co., Ltd., Minami-Ashigara, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/02 (2006.01); G03G 9/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

A coloring composition such as printing ink for inkjet printing or the like or electrophotographic color toner is provided, which can give a colored image or material excellent in the color hue and fastness, and also provide an inkjet recording method capable of forming an image having good color hue and high fastness to light and active gases in the environment, particularly ozone gas, and which is an inkjet ink comprising an azo dye having a specific structure containing an alkyl chain having 4 to more carbon atoms and not containing an ionic hydrophilic group; an inkjet recording method using the ink; and a color toner composition comprising the above-described azo dye.


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