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.

Date of Patent:
Aug. 26, 2008

Filed:

Feb. 01, 2007
Applicants:

Kenichi Ohkubo, Tokyo, JP;

Hisato Kato, Tokyo, JP;

Makoto Kaga, Tokyo, JP;

Yoshinori Tsubaki, Tokyo, JP;

Kumiko Furuno, Tokyo, JP;

Inventors:

Kenichi Ohkubo, Tokyo, JP;

Hisato Kato, Tokyo, JP;

Makoto Kaga, Tokyo, JP;

Yoshinori Tsubaki, Tokyo, JP;

Kumiko Furuno, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/02 (2006.01); B41J 2/01 (2006.01);
U.S. Cl.
CPC ...
Abstract

An ink-jet ink comprising Component (A), Component (B), and Component (C), wherein a content of Component (A) is 20-60% by weight, a content of Component (B) is 10-50% by weight, and when the content of Component (A) is 100% by weight, the total content ratio of a class of glycol, a class of polyol, and glycerin is 0-20% by weight, and a surface tension of the ink-jet ink is 18-27 mN/m; wherein Component (A) is 1,3-dimethyl-2-imidazolidinone or γ-butyrolactone, Component (B) is water, and Component (C) is a pigment.


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