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:
Oct. 23, 2007

Filed:

Jul. 22, 2003
Applicants:

Hideto Yamazaki, Nagoya, JP;

Michiko Aoyama, Nagoya, JP;

Yoshito Toyoda, Nagoya, JP;

Mayuko Okada, Toyota, JP;

Tatsunosuke Hoshi, Nagoya, JP;

Masaya Fujioka, Nagoya, JP;

Shunichi Higashiyama, Yotsukaichi, JP;

Inventors:

Hideto Yamazaki, Nagoya, JP;

Michiko Aoyama, Nagoya, JP;

Yoshito Toyoda, Nagoya, JP;

Mayuko Okada, Toyota, JP;

Tatsunosuke Hoshi, Nagoya, JP;

Masaya Fujioka, Nagoya, JP;

Shunichi Higashiyama, Yotsukaichi, JP;

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

A water base pigment ink for ink-jet recording contains a pigment, water, and at least one of polyethylene glycol and diglycerol. The ink is solidified into a solid matter when the water is evaporated. Further, the solid matter is redissolved in the unsolidified water base pigment ink for ink-jet recording. When the ink is used, then neither clog-up of a nozzle nor discharge failure is caused, no load is imposed by the solidified ink on the maintenance system such as the wiping equipment, and the sticking performance on the paper is satisfactory.


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