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. 18, 2011

Filed:

Jul. 31, 2009
Applicants:

Yoshimitsu Arai, Kanagawa, JP;

Mika Imamura, Kanagawa, JP;

Hiroshi Inoue, Kanagawa, JP;

Inventors:

Yoshimitsu Arai, Kanagawa, JP;

Mika Imamura, Kanagawa, JP;

Hiroshi Inoue, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/165 (2006.01); C09D 11/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention provides an ink set having at least an ink composition and a maintenance liquid. The ink composition comprises a pigment (i). The maintenance liquid comprises one or more solvents (ii) having a solubility parameter value of 27.5 or less. The content of the one or more solvents (ii) is 50 weight % or more with respect to a total solvent content of the maintenance liquid. The invention further provides a method of forming an image using the ink set including at least applying, with a liquid applying device, the ink composition to a recording medium, and applying a maintenance liquid to the liquid applying device.


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