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:
Sep. 06, 2022

Filed:

Jan. 30, 2019
Applicant:

Brother Kogyo Kabushiki Kaisha, Nagoya, JP;

Inventors:

Satoshi Okuda, Inazawa, JP;

Mitsunori Maeda, Nagoya, JP;

Yuka Tsuzaka, Nagoya, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/30 (2014.01); C09D 11/328 (2014.01); C09D 11/037 (2014.01); C09D 11/033 (2014.01); C09B 29/095 (2006.01); C09B 55/00 (2006.01); C09B 35/52 (2006.01); C09B 33/04 (2006.01); C09B 47/04 (2006.01);
U.S. Cl.
CPC ...
C09D 11/328 (2013.01); C09B 29/095 (2013.01); C09B 33/04 (2013.01); C09B 35/52 (2013.01); C09B 47/04 (2013.01); C09B 55/009 (2013.01); C09D 11/033 (2013.01); C09D 11/037 (2013.01);
Abstract

A water-based ink for ink-jet recording includes dyes and water. The dyes include a blue dye having a hue angle of 220° to 280°; a yellow dye having a hue angle of 70° to 120°; and a copper phthalocyanine dye. A mass ratio (C/B) of a content (C) of the copper phthalocyanine dye to a content (B) of the blue dye in an entire amount of the water-based ink is equal to or more than 0.5, and a total content of the dyes in the entire amount of the water-based ink is equal to or more than 6% by mass.


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